All Cards Flashcards

(238 cards)

1
Q

Hangman vs Jefferson fracture

A

Jefferson - C1 burst fracture, usually from axial loading (like a diving injury)
Hangman - posterior C2 fracture, usually from hyperextension

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2
Q

symptoms and management of hydrofluoric acid burns?

A

used in glass etching, metal cleaning, and electronics manufacturing
hypocalcemia, hypomag, and hyperkalemia
treat with topical, intra-arterial, IV calcium gluconate

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3
Q

mild vs moderate vs severe hypothermia

definitions and treatment

A

mild 32-35: active external warming
moderate 28-32: +active core (bladder, gastric lavage)
severe < 28: ECMO, pleural lavage

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4
Q

treatment of shivering

A

BDZs

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5
Q

atropine dose

A

0.02mg/kg (minimum dose of 0.1mg)

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6
Q

What’s a normal ankle-brachial index?

A

> 0.9

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7
Q

disorder with mousy/musty odor

A

PKU

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8
Q

fishy odor

A

trimethylaminuria

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9
Q

sweaty feet smell

A

isovaleric acidemia

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10
Q

SIRS criteria

A

Core temp < 36 or >38.5
tachycardia or bradycardia
tachypnea
leukocytosis, lymphopenia, or 10%+ bandemia

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11
Q

Septic shock definition

A

sepsis + SIRS + continued cardiovascular dysfxn after 40ml/kg fluids

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12
Q

refractory septic shock definitions

A

fluid refractory: after 60ml/kg fluidscatecholamine refractory: after 10 mcg/kg/min of dopa, epi, or norepi

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13
Q

severe sepsis definition

A

when associated with:
ARDS
cardiovascular dysfxn
dysfxn of 2 or more organ systems

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14
Q

what is hydrogen sulfide

A

mustard gas

causes superficial skin burns, eye irritation, and resp tract irritation

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15
Q

What are the classifications of neutropenia

A

severe < 500
moderate 500-1000
mild 1000-1500

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16
Q

What is the discriminatory zone with HCG?

A

transvaginal US- 1,500 mIU/mL

transabdominal US- 6,000 mIU/mL

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17
Q

symptoms of carbemazepine toxicity

A

can cause resp compromise, altered mental status, vomiting, drowsiness, slurred speech, nystagmus, hallucinations, hypotension, coma, dystonic reactions, seizures has some anticholinergic properties false positive for TCAs on UDS

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18
Q

expected compensation for acute resp acidosis

A

increase in serum bicarb 0.1 meq for each 1 mmHg PCO2

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19
Q

expected compensation for acute metabolic acidosis

A

decrease in PCO2 1.2 mmHgfor each 1 meq of bicarb

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20
Q

expected compensation for acute resp alkalosis

A

decrease in serum bicarb 0.2 meq for each 1mmHg PCO2

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21
Q

expected compensation for acute metabolic alkalosis

A

increase in PCO2 0.6 mmHg for each 1meq of bicarb

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22
Q

how frequently can you repeat epi in anaphylaxis?

A

3-4 times every 5-15 minutes

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23
Q

what is the pathophys of staph scalded skin syndrome?

A

hematogenous spread of epidermolytic or exfoliative toxin; children are more affected that adults due to inefficient renal clearance

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24
Q

most common nerve injury in supracondylar fracture

A

median nerve

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25
most common artery injury in supracondylar fracture
brachial artery
26
treatment of DUB
combo pills or progestin only pill taper
27
sites for IO access
``` proximal tibia distal tibia distal femur proximal humerus sternum in adults ```
28
MUDPILES
``` methanol/metabolic defects uremia DKA, alcoholic ketoacidosis, starvation paraldehyde iron and INH lactic acidosis ethylene glycol salicylates * also CO, cyanid, hydrogen sulfide, metformin, phenformin, sulfur, theophyllin, and toulene! ```
29
normal CSF opening pressure
< 20 cm H2O
30
LR +
= (positive test/presence of disease) / (positive test/absence of disease) = sensitivity / (1 - specificity)
31
LR -
= (negative test/presence of disease) / (negative test/absence of disease) = (1 - sensitivity) / specificity
32
How do you use LRs?
You have to convert the pretest probability to odds This is pretest probability / (1 - pretest probability) Then you multiply by the LR Finally, you convert the odds BACK to the probability!
33
What are clinically significant LRs?
LR + > 10 | LR - < 0.1
34
Amanita phalloides ingestion
white mushroom that can kill. classically: stage I: 6-24hrs of no sxs II: V/D 12-24hrs III: seeming recovery IV: 2-4d later with liver and renal failure
35
loss of contralateral pain and temperature | loss of ipsilateral motor
Brown Sequard syndrome | hemisection of the spinal cord
36
loss of motor and pain sensation | preserved temp and proprioception
Anterior cord syndrome | disruption of the anterior spinal artery
37
upper extremities affected more than lower extremities
central cord syndrome
38
Posterior cord syndrome
loss of proprioception and pain sensation
39
loss of proprioception and pain sensation
posterior cord syndrome
40
ectasy/MDMA intoxication
hyponatremia, concentrated urine, altered mental statusmay see serotonin syndrome
41
lab abnormality in hereditary angioedema
low C4
42
reasons to use VariZig
only for post-exposure ppx, but NOT once there is varicella infection
43
lab abnormalities in strep glomerulonephritis
low C3, nml C4. if levels are normal, consider something else
44
non-ketotic hypoglycemia with metabolic acidosis should make you think of...
fatty acid oxidation disorder
45
classic lab findings in fatty acid oxidation disorder
non-ketotic hypoglycemia
46
anion gap formula
AG = Na - Cl - HCO3
47
calculated osmolarity
= 2 x Na + glucose/18 + BUN/2.8
48
Multi-casualty vs mass casualty event
multi-casualty = 5+ victims | mass casualty = strains the existing EMS system
49
``` What can different levels of responders do: first responders? EMT-B? EMT-I? EMT-P? ```
1st responders: airway clearance, control blood loss, AED, CPR EMT-B: assessment, spinal immobilization, BVM, defibrillation EMT-I: pacing, cardioversion, IO, EKG, needle thoracostomy, advanced airway management EMT-P: arrhythmias, advanced airway management, intubation, cricothyrotomy, meds, fluids
50
Best pressors for shock that is: 1. cold 2. warm 3. normal BP
1. epi 2. norepi 3. dopa
51
CXR findings (measurements) for RPA
prevertebral soft tissue swelling >7mm at C2 or 14mm at C6
52
Lab findings concerning for a pulmonary EXUDATE
``` WBC >10K glucose < 50% of serum protein > 50% of serum amylase > 200 LDH > 60% of serum pH < 7.0 (v. suggestive of empyema) ```
53
EKG findings in pericarditis
widespread ST elevation PR depression ST elevation in limb and precordial leads with concave elevations
54
Location for ____ nerve block at wrist: 1) ulnar 2) median 3) radial
1) ulnar - proximal ventral crease at ulnar styloid 2) median - medial tendon of flexor carpi radialis 3) radial - dorsal crease @ radial styloid
55
pressure readings associated with compartment syndrome
>30 mmHg
56
Components of the pediatric trauma score
1. size 2. airway 3. consciousness 4. SBP 5. fractures 6. cutaneous ranges from -6 to 12 lower the score, the higher the chance of mortality
57
How do you determine size for: 1. ET tube 2. ET tube depth of insertion 3. NG tube size 4. chest tube size
1. ET tube = age/4 + 4 2. ET tube depth of insertion = ETT x 3 3. NG tube size = ETT x2 4. chest tube size = ETT x 4
58
low plasma alanine levels are associated with what IEM?
ketotic hypoglycemia
59
what are treatments for hyperammonemia?
IV arginine sodium benzoate phenylacetate hemodialysis
60
what disease is associated with +reducing substances in the urine, cloudy cornea, and HSM?
galactosemia
61
What is the BP treatment for pheochromocytoma?
phenotalamine 2nd line is CCBs | NO beta-blockers!!!
62
Patient with a PAINFUL Horner's syndrome should make you think of...
carotid artery dissection
63
treatment for HOCM emergency?
B-blockers and CCBs
64
what is the treatment for lichen sclerosis?
topical steroids
65
treatment of prolapsed urethra
topical estrogen
66
treatment for tet spells
morphine (decreases pulmonary venous return, relaxes the infundibulum) phenylephrine (increases SVR) sodium bicarb (reduces acidosis) beta-blockers (relaxes infundibular spasm, decreases inotropic effect)
67
treatment of HOCM? | what should you avoid?
beta-blockers CCBs avoid - diuretics and digoxin
68
Criteria for Acute Rheumatic Fever
``` JONES (major) PEACE (minor) Joints - arthritis O - heart - pancarditis Nodules (subcutaneous Eythema marginatum Sydenham chorea ``` ``` PR prolonged ESR elevated Arthralgias (rather than arthritis) CRP/WBC elevated Elevated temp >39C (previous rheumatic fever too) ``` *Polyarthritis is the most frequently found major criteria *Dx if 2 major or 1 major + 2 minor Tx: PCN
69
med to rapidly inhibit release of thyroid hormone in pediatrics
potassium iodide (PTU is contraindicated in kids; methimazole doesn't work acutely)
70
Symptoms of autonomic dysfxn syndrome
tachycardia, tachypnea, diffuse diaphoresis, hyperthermia, hypertension, mydriasis, and dystonia
71
Treatment of autonomic dysfxn/sympathetic storm
bromocriptine, dantrolene, benzodiazepines, clonidine, and narcotics
72
What are the components of Cushing's triad? | What is the earliest and most sensitive indicator?
bradycardia, hypertension, irregular respirations | most sensitive/earliest: bradycardia
73
What are the impt landmarks for IJ venous access?
The medial approach uses the apex of the triangle formed by the sternal and clavicular heads of the SCM. Best localized with mild hyperextension of the neck.
74
Location for a distal ulnar nerve block?
just proximal to the ulnar styloid process
75
Location for a distal median nerve block?
between the palmaris longus and flexor carpi radialis tendons
76
Nerve block achieved at: between the palmaris longus and flexor carpi radialis tendons
median nerve block
77
Reasons to refer a patient to a burn center (4)
1) partial thickness depth >10% if 20% BSA > 11 years) 2) full thickness depth > 2% BSA 3) high risk for disability or poor cosmetic outcome (e.g., hands, feet, face, circumferential burns and those overlying joints) 4) associated inhalation injury or trauma
78
Parkland Formula
``` 4 x BSA x wt (kg) Give half in first 8 hours Give second half in subsequent 16 hours Does NOT account for maintenance fluids Should only include partial and full thickness burns in BSA calculation Only apply if 15% BSA is involved ```
79
Max dose of bupivicaine
2mg/kg without epi | 3mg/kg with epi
80
1% lidocaine is how many mg/ml | 0.25% bupivicaine is...
10mg/ml | 2.5mg/ml
81
Things that can cause false positive guaiac stools
Horseradish Turnips Cherries Tomatoes
82
Things that can cause red stool that isn't bloody
``` cefdinir/omnicef red food dye licorice blueberries spinach beets bismuth iron preparations ```
83
Most common reason for child to have hypoglycemia?What's low/wrong?
ketotic hypoglycemia | low alanine stores in muscles
84
Distinction between organic acidemias and urea cycles defects?
OA: elevated ammonia and acidotic UC: VERY high ammonia (1000s) and usually NOT acidotic; low BUN, nml lactate, encephalopathy
85
IEM mimic of child abuse with macrocephaly, chronic subdural effusions? How to diagnose?
glutaric acidemia type I dx with urine organic acidsdx usually made during crises (intercurrent illnesses) with metabolic acidosis, hyperammonemia and encephalopathy.
86
Lab that is usually diagnostic for CAH
17-hydroxyprogesterone (17-OHP)
87
IEM associated with reducing substances in urine?
galactosemia
88
Management of Kawasaki when acute? | When convalescent?
Acute: IVIG, high dose ASA Conv: low dose ASA (3-5mg/kg/day)
89
Management of dry gangrene in scleroderma
tx with systemic or topical nitro; or CCBs
90
How do you calculate sodium deficit?
Figure out the volume deficitNa/1000 x 0.6 x volume deficit
91
Labs in RTA type IV
hyperkalemic, hyperchloremic, metabolic acidosis with normal AG
92
Winter's Formula
PCO2 = 1.5 x HCO3 + 8 +/- 2 | explains what the appropriate CO2 response should be to metabolic acidosis
93
Symptoms of scorpion sting
local pain, restlessness, hyperactivity, roving eye movements, and respiratory distress. More severe signs include seizures, drooling, wheezing, hyperthermia, cyanosis, GI hemorrhage, respiratory distress and death from shock or respiratory paralysis
94
Envenomation associated with metallic taste
rattlesnake
95
systemic symptoms of brown recluse spider bite
fever, chills, malaise, weakness, nausea, vomiting, joint pain, petechial morbilliform rash, intravascular hemolysis, hematuria, and renal failure
96
what do you need to avoid when treating a patient with ciguatera poisoning?
opioids - may interact with toxin and cause hypotension
97
order of tissues with resistance to electricity
Bone > fat > tendon > skin > muscle > nerve.
98
when should you consider active rewarming measures
cardiovascular instability, T < 32ºC, or inadequate response to passive re-warming methods
99
how do you grade frostbite injuries?
1st degree- numbness and erythema with no tissue loss 2nd - superficial blistering, with clear to milky fluid, surrounded by edema and erythema 3rd - deeper blisters with blood containing fluid (leave blisters alone) 4th - affects muscle and bone.
100
in hypothermia, resuscitate to at least what temperature
The patient should be resuscitated until a body temperature of 32 – 34ºC
101
Symptoms of lithium toxicity
coarse tremor, ataxia, dysarthria, vomiting, diarrhea, cardiovascular changes and renal dysfunction. Later signs: impaired consciousness, muscle fasciculations, myoclonus, seizures, coma and death.
102
Best med for an agitated (possibly delirious) child?
``` haldol NOT BDZs (could loosen inhibitions or worsen delirium) ```
103
What are the different levels of sedation?
Minimal - respond normally to verbal commands and not asleep. Moderate - does not need repeated painful stimulation to be aroused and should not require intervention to maintain a patent airway. Deep sedation - patient cannot be easily aroused but respond purposefully after repeated verbal or painful stimulation; ability to independently maintain ventilatory function may be impaired. General anesthesia is not arousable, even by painful stimulation.
104
What are the ASA classifications?
I - normal, healthy patient II - mild systemic illness without functional limitation III - severe systemic disease with definite functional limitation IV - severe systemic disease that is a constant threat to life V - moribund patient who is not expected to survive without the procedure
105
Epi dose for bradycardia in neonatal resuscitation
0.01 mg/kg of 1:10,000
106
How do you differentiate between main types of neonatal conjunctivitis?
Gonococcal - 3-5 days after birth. Chlamydial - 5- 14 days after birth. Negative gram stain (obligate intracellular parasite) Non-gonococcal, non-chlamydial bacterial - after the first 2 weeks of life. Chemical (due to silver nitrate prophylaxis) - first day of life and resolves in 2-4 days.
107
Symptoms of morning glory intoxication?
mydriasis, hyper or hypothermia, perspiration, bronchorrhea and increased salivation
108
What's the difference between: boutonniere deformity swan neck deformity hammer/mallet finger
boutonniere - flexed PIP, extended DIP swan neck - extended PIP, flexed DIP hammer - flexed DIP due to rupture of extensor digitorum tendon
109
Fruity odor, ingestion with no acidosis, but +osmolar gap?
isopropyl alcohol (odor is from acetone metabolic byproduct)
110
How often do physically restrained patients need their restraints renewed according to JACHO?
< 9 years - every hour 9-17 years - every 2 hours adults - every 4 hours. Patients must be evaluated, face-to-face, by the physician ordering the restraints within 1 hour of placing the order.
111
Findings in cardiac tamponade
Beck's triad: hypotension, muffled heart sounds, and distended neck veins Low QRS voltages in all leads Electrical alternans in precordial leads
112
What is the dose for naloxone?
0.1mg/kg
113
x-ray findings in RPA
>7mm at C2 | >14mm at C6
114
EKG findings in pericarditis
An ECG will demonstrate changes of epicardial inflammation with widespread ST elevation, PR depression, ST elevation in limb and precordial leads. The elevations are concave.
115
treatment of malignant hyperthermia
dantrolene
116
Treatment of labial adhesions? Treatment of urethral prolapse? Treatment of lichen sclerosis?
1st line: topical estrogen cream; 2nd line: topical steroids topical estrogen topical steroids
117
medical treatment of phimosis
topical steroids
118
epi dosing for anaphylaxis
1: 1000 epi 0. 01 mg/kg 0. 01 ml/kg
119
epi dosing for codes
1: 10,000 0. 01 mg/kg 0. 1 ml/kg
120
management of frenulum lacerations
expectant - do not suture as they heal spontaneously
121
With regards to hemothorax, what amount of bloody output should trigger operative management?
Immediate return of 1500mL or 10-15ml/kg | >200ml/hr or 2-4ml/kg/hr of bloody drainage
122
Immediate treatment of commotio cordis?
defibrillation
123
What qualifies for a positive DPL?
free aspiration of gross blood, gastrointestinal contents, vegetable fibers or bile through the lavage catheter upon entering the abdominal cavity presence of ≥100,000 RBC/mm3 ≥500 WBC/mm3 bacteria on Gram stain of the lavage fluid.
124
Malaria mimic seen in New England? Transmission? How do you diagnose it? Treatment?
Babesiosis Ixodes tick dx with thick and thin smears (like malaria); may see the Maltese cross atovaquone + azithromycin OR clinda + quinine
125
Cutaneous ulcer OR purulent conjunctivitis with preauricular lymph nodes should make you think of this disease:
tularemia
126
Bloody diarrhea infectious agent associated with vaginitis?
Shigella
127
Bloody diarrhea infectious agent associated with bandemia on CBC?
Shigella
128
treatment of Shigella dysentery?
5d of azithro; can also do bactrim, 3rd gen cephalosporin, fluoroquinolones
129
infectious diarrhea agent to treat with antibiotics?
Shigella
130
tx for tularemia
streptomycin, gentamicin, doxycycline, cipro
131
responsible organism in Lemierre's disease? | treatment?
Fusobactermium necrophorum | unasyn
132
Pt with fever, PNA, endocarditis, flu-like symptoms. Dx? Tx?
Q-fever (Coxiella burnetti, rickettsial organism) | tx with doxy, fluoroquinolone
133
Treatment for cat scratch dz
Can usually observe, but if abx desired, try azithromycin to reduce duration of lymphadenopathy Can also try rifampin, bactrim, and cipro
134
formula for NNT
``` NNT = 1/ARR ARR = absolute risk reduction ```
135
type I error
rejecting the null hypothesis when it's actually correct false positive study alpha
136
type II error
failure to reject the null hypothesis appropriately false negative study beta
137
failure to reject the null hypothesis appropriately
type II error
138
rejecting the null hypothesis when it's actually correct
type I error
139
What 3 factors do you need to look at to determine the appropriate type of statistical test to perform?
1. is the distribution parametric or not? 2. is your data continuous, nominal/ordinal, or categorical? 3. are your tested populations dependent or independent?
140
Sensitivity =
TP / TP+FN
141
Specificity =
TN / TN+FP
142
Power
1 - beta | beta = type II error rate
143
PPV =
TP / TP+FP
144
NPV =
TN / TN+FN
145
Incidence vs Prevalence
``` Incidence = RATE of new diseases over a period of time Prevalence = number of existing disease cases at a specific POINT in time ```
146
What do you need to calculate the sample size for a study?
1. the effect size 2. the type I error rate 3. the type II error rate
147
what is the reciprocal of the rate difference?
the NNT
148
What is the other name for the Mann-Whitney U test?
Wilcoxon rank-sum test
149
What is another name for the Wilcoxon rank-sum test?
Mann-Whitney U test
150
What is the t-test?
statistical test for parametric, continuous data that is independent
151
what is the paired t-test?
statistical test for parametric, continuous data that is paired
152
what is the ANOVA?
statistical test for parametric, continuous data with 3 or more independent groups
153
what is the wilcoxon signed-rank sum test?
statistical test for non-parametric, continuous data that is paired non-parametric corollary to paired t-test
154
what is the wilcoxon ranked-sum test?
statistical test for non-parametric, continuous data that is independentnonparametric corollary to t-testalso called the mann-whitney u test
155
what is the kruskal-wallis?
statistical test for non-parametric, continuous data with 3 or more independent groupsnonparametric corollary to ANOVA
156
what is the Chi-square test?
statistical test for parametric, categorical data with independent groups
157
what is the Fisher's exact test?
statistical test for parametric, categorical data with independent groups if there are <5 measurements/group
158
what is logistic regression?
statistical test to predict the relationship between a DICHOTOMOUS outcome vs a set of variables while controlling for other variables in the analysis
159
what is Bonferroni's correction
a method to correct for multiple repeated testing on the same data set
160
what is Kolmogorov-Smirnov?
test to determine if data is parametric or not
161
what is Shaprio-Wilk?
test to determine if the data is parametric or not
162
formula for odds ratio
(AxD)/(BxC) in standard 2x2 table
163
what's the difference between odds ratio and relative risk?
relative risk is used when patients are followed over time. | odds ratio is used when patients already have the outcome and you look back retrospectively at an exposure of interest
164
In treating hypothermia, at what temperature should you initiate resuscitation meds and defibrillation attempts?
T > 30C
165
What are treatments for high altitude pulmonary edema? (4)
descent acetazolamide dexamethasone nifedipine
166
pressor to use in heat stroke
dobutamine - supports BP and HR while keeping vessels dilated for heat dissipation
167
radiopaque toxins (5)
* **COINS*** 1. chloral hydrate 2. opiate packets 3. iron and Hg, As, Li 4. neuroleptics 5. SR/enteric coated meds
168
poisonings that activated charcoal won't work for (3)
ions/metals acids/bases alcohols
169
toxin that smells like rotten eggs
hydrogen sulfide
170
Morning Glory poisoning symptoms
hallucinations, mydriasis, perspiration, bronchorrhea, salivation, hyper or hypothermia, diarrhea
171
Treatment to reduce thyroid uptake of radioactive iodine?
Potassium iodine
172
Fish associated with scombroid poisoning?
tuna, mackerel, bonito, mahi-mahi, bluefish, sardines, anchovies
173
Fish associated with cigautera poisoning?
barracuda, snapper, grouper, amberjack, moray eels, triggerfish, parrotfish
174
bidirectional v tach is pathognomic for what toxicity?
digoxin toxicity
175
what is unique about digoxin toxicity related hyperkalemia?
do NOT give calcium - it can cause a "stone heart" from excessive intracellular calcium and cardiac tetany
176
what is the treatment for digoxin toxicity?
atropine digiFab mag, potassium consider PHYT, lidocaine
177
treatment for cesium radiation poisoning
prussian blue
178
EKG findings in TCA OD
sinus tach, prolonged PR, QRS, and QT intervals
179
Symptoms of scorpion sting
local pain, restlessness, hyperactivity, roving eye movements, and respiratory distress. More severe signs include seizures, drooling, wheezing, hyperthermia, cyanosis, GI hemorrhage, respiratory distress and death from shock or respiratory paralysis
180
envenomation associated with metallic taste
rattlesnake
181
systemic symptoms of brown recluse spider bite
fever, chills, malaise, weakness, nausea, vomiting, joint pain, petechial morbilliform rash, intravascular hemolysis, hematuria, and renal failure
182
toxic dose of acetaminophen?
150mg/kg in adults | 200-250mg/kg in kids
183
toxicity of ethelyne glycol vs methanol?
ethylene glycol: metabolized into oxalic acid, will crystals in urine and possible ARF methanol: metabolized into formic acid, injures the eyes
184
normal serum osmolality
285-295
185
treatment of organophosphate poisoning
atropine if wet/killer Bs | pralidoxime for for weakness (works at nicotinic skeletal muscle receptors)
186
Coral snake vs king snake?
red on black, venom lack; | red on yellow, kill a fellow.
187
ricin poisoning
inhalational: sudden onset of fever, chest tightness, cough, dyspnea, nausea, and arthralgias, progressing to cyanosis, pulmonary edema and respiratory failure
188
Tularemia: symptoms and treatment
fever, malaise, pneumoniatx: streptomycin
189
aerosolized toxin that smells of "newly mown hay"? | symptoms?
phosgene - ocular and nasal irritation, resp symptoms
190
inhalational anthrax - presentation
initial mild symptoms followed by abrupt onset resp distress, cyanosis, diaphoresis 1-6 days later. may see widened mediastinum on CXR.
191
inhalational anthrax ppx
cipro or doxy
192
staph enterotoxin b symptoms
sudden onset of fever, chills, headache, myalgias and nonproductive cough
193
pneumonic plague symptoms
The initial presentation includes respiratory symptoms, fever, cough and myalgia. The clinical course is rapidly progressive with bloody sputum, dyspnea, cyanosis, circulatory collapse and a bleeding diathesis.
194
The initial presentation includes respiratory symptoms, fever, cough and myalgia. The clinical course is rapidly progressive with bloody sputum, dyspnea, cyanosis, circulatory collapse and a bleeding diathesis.
pneumonic plague
195
toxin with sudden onset of fever, chills, headache, myalgias and nonproductive cough
staph enterotoxin b
196
initial mild symptoms followed by abrupt onset resp distress, cyanosis, diaphoresis 1-6 days later. may see widened mediastinum on CXR.
inhalational anthrax
197
bitter almond odor is associated with this toxin
cyanide
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treatment of plagueppx?
tx: doxy or streptomycinppx: doxycycline
199
ingestions where multidose activated charcoal may be helpful?
phenobarbital, carbamazepine, theophylline, and dapsone
200
carbamezepine toxicity
can cause resp compromise, altered mental status, vomiting, drowsiness, slurred speech, nystagmus, hallucinations, hypotension, coma, dystonic reactions, seizures has some anticholinergic properties false positive for TCAs on UDS
201
symptoms and management of hydrofluoric acid burns?
used in glass etching, metal cleaning, and electronics manufacturinghypocalcemia, hypomag, and hyperkalemiatreat with topical, intra-arterial, IV calcium gluconate
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IV Meds to Tx HTN Emergency (4)
1. labetalol 0.2-1mg/kg 2. nitroprusside gtt 3. nicardipine gtt 4. fenoldapam
203
HOCM murmur
systolic murmur that gets louder with valsalva or standing from squatting
204
DDx of Late Pregnancy Bleeding? (3) | What do you do?
DDx: placenta previa, placental abruption, preterm labor Actions: get OB STAT and don't do a pelvic
205
Management Options for Laryngospasm (5)
- reposition airway - give sustained BVM pressure/PEEP - stimulate "laryngospasm notch" (behind the earlobe, the soft area between the skull base, mastoid bone, and mandible) - sux 0.1-0.2mg/kg - propofol 0.5-1mg/kg
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If you see metabolic acidosis + respiratory alkalosis, you should think of this poisoning
salicylate poisoning
207
characteristic EKG finding of hypothermia
J-waves/Osborn waves
208
treatment of adrenal crisis
1-2mg/kg of hydrocortisone
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meds to acutely treat thyroid storm (4)
1. propanolol 2. iodide/lugols 3. methimazole 4. steroids
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Patient comes in with occipital HA associated with ataxia/vertigo, dysarthria with short period of LOC. Symptoms resolve after emesis. What less scary dx should you think of?
basilar artery migraine
211
zones of the neck
3. angle of mandible to base of skull 2. cricoid to angle of mandible 1. cricoid to clavicles/thoracic inlet
212
Patient with alkaline serum but aciduria - what is this???
paradoxical aciduria secondary to potassium depletion
213
Cutaneous ulcer OR purulent conjunctivitis with preauricular lymph nodes should make you think of this disease:
tularemia
214
toxin that smells like almonds
cyanide
215
toxin that smells like garlic
arsenic
216
toxic alcohol resulting in large ketosis
isopropyl alcohol
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penile fracture is disruption of what?
tunica albuginea/corpus cavernosa
218
presentation of CN III palsy
"down and out" eye | b/c parasympathetics ride on CN III, may also see ptosis and mydriasis
219
When is TIG needed for tetanus wound ppx?
If it's a dirty wound and the pt has less than 3 doses of tetanus vaccine
220
What should you ask the laboring mother in the ED before delivery of her baby?
1. due date 2. number of babies in utero 3. meconium stained fluid? 4. PNC/STIs
221
How do you treat tetanus after development of symptoms?
flagyl, wound care, TIG
222
DDx of non-anion gap metabolic acidosis
``` Hyperalimentation Acetazolamide RTA Diarrhea Ureteroenteric fistula Pancreaticoduodenal fistula * also spironolactone ```
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ehrlichiosis - presentation and tx
presents like RMFS | get treated the same with doxy!
224
toxins causing miosis
``` COPS cholinergics/clonidine opiates phenothiazines sedatives ```
225
treatment for anthrax, plague, and tularemia?
cipro or doxy
226
WMD with non-specific flu like illness without rhinorrhea
anthrax
227
WMD with significantly tender regional LAD
plague (buboes)
228
WMD with classic clinical finding of blood-streaked sputum
plague
229
WMD gram negative coccobacillus
Tularemia
230
WMD with rapid onset (3-12hrs) fever, HA, chills, myalgias, and cough
Staph enterotoxin B
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nerve agents
sarin and venom x (VX) | act as organophosphates
232
when are you most likely to see the most severe effects of acute radiation syndrome?
~30 days after exposure
233
what is the first cell line to decrease in response to radiation?
lymphocyte count | good prognosticator for severity of acute radiation syndrome
234
BLS vs ALS ambulances
BLS: BVM, OP, NP, bulb suction, regular suction, immobilization (backboard and c-spine), splints, bandages, obstetric kits, extrication materials ALS: defibrillator, EKG, intubation equipment, NG, IV/IO, meds
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pt has low calcium, high phos | dx?
primary hypoparathyroidism
236
pt has low calcium, low phos | dx?
vitamin D deficiency
237
differentiation between torticollis and rotary subluxation?
torticollis - muscles spasm of SCM OPPOSITE the side the chin points to rotary subluxation - muscle spasm of SCM on the SAME side the chin points to; seen with trauma, URIs, or spontaneous
238
Neonatal ETT sizes
2.5 = < 1000g, 3000g, >38wks