Emergency Med Rotation Flashcards

1
Q

Morphine dosing for Peds

6 mo- 12 yo

A

0.1- 0.2 mg/kg/dose

every 2-4hr

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2
Q

Morphine dosing for Adults

SC/IM/IV

A

2-10 mg every 4 hours

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3
Q

Epi dosing for O-shit heart rhythms (MI)

Asystole
PEA
V-tachy
V-fib

A

1 mg IV/IO

q3-5 min

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4
Q

Epi dosing for Bradycardia

when Atropine doesn’t work

A

2-5 micrograms (mcg) / min

every minute

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5
Q

Epi strength for cardiac stuff

A

1: 10,000 solution

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6
Q

Epi strength for Anaphylaxis (allergic rxn) and Asthma exacerbation

A

1: 1000 solution

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7
Q

Epi dosing for Allergic rxn/ Anaphylaxis

A
  1. 15 mg every 5-15 min if you are <66 lbs

0. 30 mg every 5-15 min if you are >66 lbs

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8
Q

Epi dosing for Asthma exac

A

0.30- 0.50 mg every 20 min x 3 doses prn

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9
Q

Which dose is higher for Epinephrine, Asthma exac or Anaphylactic rxn?

A

Asthma exac

Asthma: 0.30- 0.50 mg
Anaphylactic: 0.15 or 0.30 depending how much you weigh

HOWEVER, dose more frequently (every 5 min) for anaphylaxis. Dosing for Asthma is q20 min

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10
Q

Peds Morphine dosing

A

0.1-0.2 mg/kg/dose

max 15 mg/dose

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11
Q

Bupivacaine max per DOSE

A

175 mg/dose

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12
Q

Lidocaine max per DOSE

A

300 mg/dose

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13
Q

Bupivacaine max mg/kg/dose

A

2 mg/kg/dose is MAX for Bupivacaine

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14
Q

ABCDD risk of Stroke after TIA

A

Age >60 yo
BP >140/90
Clinical sx (unilateral wkness: 2pts, facial asymm: 1 pt)
Duration sx (more than 1 hr: 2pts, between 10 min and 1 hr: 1 pt)
Diabetes hx

6-7 High risk: Consult neuro, consider MRI + Carotid US, probably admit pt

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15
Q

NIHSS

How bad was the stroke?
Perform after STAT Head CT b4 and after tPA if pt is getting tPA

A

LOC- casually assess, then Qs (month and age), commands
Best gaze- move 1 finger have pt follow
Visual field- cover one of pts eyes
Facial palsy- test CN 7, smile, eyes, puff cheeks
Arm motor- 10 seconds at 90 deg
Leg motor- 5 seconds at 30 deg
Ataxia- finger to nose, heel to shin
Sensory- pin prick face, trunk, arms, legs
Language- picture and words to read
Dysarthria- repeat words back to me
Exctinction/ Inattention- compare visual reception and sensory on bilateral sides

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16
Q

NEXUS spinal cord trauma (5 things)

if all 5 are negative, no need for Head CT

A
Midline spiny tenderness
Focal neuro def
AMS
Intoxication
Distracting injury
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17
Q

PERC r/o criteria

only use for Low risk pts

A

“AOU, HHH, PR”

Age >50
O2 sat <95%
Unilat leg swelling
Hemoptysis
HR >100 bpm
Hormone use
Prior DVT/PE
Recent trauma/injury within 1 mo
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18
Q

If pt is Low risk but doesn’t pass the PERC r/o criteria,

A

Order D-dimer

if negative, can prob go home
if positive, consider CT angio or V/Q

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19
Q

Revised Geneva Score for PE

A

5 pts: HR >95 bpm
4 pts: pain on palpation and unilat edema
3 pts: previous DVT/PE, unilat pain, HR >75

2 pts: Active CA, hemoptysis, surgery/fx in past mo
1 pt: age >65

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20
Q

Revised Geneva for PE

Score of 0-3: Low risk

A

<10% risk of PE

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21
Q

Revised Geneva for PE

Score of 4-10: Moderate risk

A

Depends on D-dimer

(-) D dimer, no further workup
(+) D dimer, consider CT and Ultrasound

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22
Q

Revised Geneva for PE

Score of 11+: High risk

A

CT and US automatically

if those don’t tell you anything, consider Angiography

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23
Q

Wells criteria for PE

A

3 pts: Clinical sx of DVT, Other dx is less likely

1.5 pts: previous DVT/PE, recent surgery or immobilization, HR >100 bpm

1 pt: CA, Hemoptysis

if >4, PE is likely and you should get a CTA

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24
Q

Wells Criteria for PE

if score is 0-4 “PE unlikely”

A

Get D-dimer

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25
Q

Wells Criteria for DVT

All pts are worth 1, besides the one that is -2

A
Active CA
Bedridden >3d or surg past 12 wks
Calf sw >3cm more than other
Collateral superficial vein present
Entire leg swollen
Localized TTP along deep vein system
Pitting edema on symptomatic leg
Paralysis, Paresis, or recent cast
Previous DVT

-2: other dx is as likely or more likely

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26
Q

Wells for DVT

score is 0-2

A

still get D dimer

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27
Q

Wells for DVT

score is >3

A

get US

skip the D-dimer step

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28
Q

HEART score

when does someone need to be admitted to hospital?

A

score of 4 or greater

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29
Q

HEART score

0-2 points for each category, max of 10 pts

A
History
EKG
Age
Risk factors
Trop (initial)
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30
Q

Risk factors for MI

A
HTN, HLP, DM
Obesity, Smoking
Family hx
Atherosclerotic dz (previous MI, CABG, CVA, TIA)
PAD
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31
Q

Based on HEART score, when can someone go home?

A

0-3: can be d/c home

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32
Q

Score of 4-6 and 7-10 mean what for HEART score?

A

4-6: Admit

7-10: Admit and pt is Candidate for early invasive measures

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33
Q

TIMI heart score, when can someone be d/c?

A

NEVER really
This risk stratification only tells us how much at risk pt is, but cannot r/o enough to send someone home

Low risk 0-1
High risk >4 points: pt likely needs aggressive mgmt and early invasive measures

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34
Q

SIRS criteria

“T, HR, RR, W”

A

Temp
HR
RR
WBC

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35
Q

SIRS

A

Temp >100.4 or <96.8
HR >90 bpm
RR> 20 or CO2 >32 mmhg
WBC >12k or <4k

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36
Q

What should you do next if pt has 2 or more + elements of SIRS?

A

Obtain a Lactate level

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37
Q

If infection is found and 2 or more of SIRS, what is this now called?

A

SEPSIS

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38
Q

If infection is found, 2 or more, AND Lactate is 4 or greater mmol/L, what is this considered?

A

Severe Sepsis

Tx: Broad Spectrum Abx, IVF, Vasopressors

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39
Q

If infection is found, 2 or more, AND pt is Hemodynamically Unstable… what is this?

A

Septic Shock

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40
Q

PECARN for <2 YO

if all of these are present, don’t need to get head imaging

A
Normal mental status and behavior
No head bruise (other than frontal)
LOC <5 seconds
Nonsevere mechanism
No palpable skull fx
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41
Q

PECARN for >2 YO

If all of these are present, don’t need to get Head imaging

A
Normal mental status
No LOC
No Vomiting
No Severe HA
Nonsevere mechanism
No signs of basilar fx
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42
Q

High risk features of Head Injury for >16 yo

if any Yes, get Head CT

A
Vomiting
Severe HA
Focal neuro def
Signs Basilar fx
On Blood thinner
Inherited blood disorder or Liver dz
Thrombocytopenia
Dangerous MOI- ejected from car, fall>3 ft, or fall >5 stairs
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43
Q

If no High risk features in >16 YO head injury, what do you ask next?

A

Was there LOC or Post injury memory loss?

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44
Q

If Yes to LOC or post injury memory los….

A

Are any of these?

Pt >60 YO
Intoxicated
Short term mem loss
Visible trauma above clavicles
Post trauma seizure

If yes, get CT

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45
Q

GCS scale

A

4, 5, 6

Eyes
Talking
Motor

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46
Q

GCS for Eyes

A

4: spontaneous
3: open to verbal command
2: open to pain
1: nuttin

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47
Q

GCS for Speech

A

5: oriented
4: confused speech
3: not appropriate
2: slurred, cant understand
1: nuttin

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48
Q

GSC for Motor

A

6: obeys commands
5: localizes pain, moves it away
4: generalizes pain
3: flexes to pain
2: extensor rxn to pain
1: nuttin

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49
Q

CURB 65 for PNA

A
Confusion
Urea >7 mmol/L
RR >30
Blood pressure <90, <60
65 years or older

THRESHOLD score: 3 or greater, admit

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50
Q

CURB 65 score interpretation

A

1: outpatient
2: Short inpatient stay, then supervised outpatient
3 or greater: Admitted for a few, possibly ICU

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51
Q

HiNTs is used to differentiate b/w what two things?

A

Vestibular Neuritis (peripheral) or CVA stroke (central)

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52
Q

What is used to confirm the suspicion of BPPV?

A

Dix Hallpike Maneuver

pt will likely have vertical nystagmus with rotary component

53
Q

4 Components of HiNTS+ exam

A

Nystagmus
Skew
Head impulse test
Hearing loss

54
Q

Seconds of vertigo brought on by movement

A

BPPV

55
Q

Tx of BPPV

A

Epley Maneuver

56
Q

Many hours/days of continuous vertigo that is WORSENED by movement

A

Vestibular Neuritis vs Stroke

Perform HiNTS+ exam

57
Q

Results that are CENTRAL for the HiNTS+ exam

A

Bidirectional nystagmus

Vertical skew (when one eye is covered)

Normal response to Head impulse

Hearing loss

58
Q

Results that are PERIPHERAL for HiNTS+ exam

Note: all must be peripheral to overall have a Peripheral result and be able to d/c someone home with dx of “Vestibular Neuritis” without imaging for stroke

A

Unidirectional Nystagmus

No skew with eye covering

Abnormal head impulse test (eyes jump)

No new hearing loss

59
Q

Max dosing of Lidocaine with Epi

1% Lidocaine

A

50 mL or 500 mg

60
Q

Max dosing of Lidocaine only

A

30 mL or 300 mg

61
Q

Max dosing of Bupivacaine with Epi

0.5% Bupivacaine

A

45 mL or 225 mg

62
Q

Max dosing of Bupivacaine only

A

35 mL or 175 mg

63
Q

Moral of story, if you use EPI,

A

you can use a larger amount of substance

64
Q

Tylenol dosing, do not exceed

A

4g per day

4000 mg in one day

65
Q

SA node intrinsic rate

A

60-100 bpm

our physiologic normal

66
Q

AV node intrinsic rate

A

40-60 bpm

67
Q

Purkinje fibers rate

A

20-40 bpm

68
Q

Limb Leads

“Standard”

A

I, II, III

69
Q

augmented leads

“a___”

A

avR
avL
avF

unipolar

70
Q

Precordial aka Chest leads

A

V1-V6

also unipolar

71
Q

Normal PRI

A

0.12-0.20 seconds

72
Q

Normal QRS duration

A

0.06-0.12 seconds

60-120 ms

73
Q

Normals in milliseconds (ms)

A

PRI: 120-200
QRS: 60-120

74
Q

Anterior leads

A

V1-V4

Left Anterior Descending, LAD artery

75
Q

Lateral leads

A

I, avL, V5-6

76
Q

Inferior leads

A

II, III, avF

Right Coronary Artery

77
Q

Large Box Estimate of HR

A

300, 150, 100, 75, 60, 50

78
Q

Tall p wave

A

> 2.5 mm
RAE- Right Atrial Enlargement

“P pulmonale”

79
Q

Wide p wave

A

> 100 ms

LAE

“P mitrale”

80
Q

Where else can pacemaker signals come from? (normal: SA node)

A
Atria
AV jx
Bundle branches
Purkinje fibers
Ventricular myocardium
81
Q

1 small square =

A

0.04 seconds

40 milliseconds

82
Q

1 large box=

A

0.20 seconds

200 milliseconds

83
Q

Atrial tachycardia

A

150-250 bpm

84
Q

Atrial flutter

A

“Saw tooth P waves”
often well tolerated

enlarged atrial tissue, elevated atrial pressures

i.e. post cardiac surgery, valve dz, pericarditis, CHF, acute infarction, COPD, etc

85
Q

A-Fib

irregularly irregular

A

Atrial rate is >350 bpm

Ventricular rate may be slow, normal, or fast

86
Q

Risk of A-fib

A

Atria are not contracting properly so they may develop clot as blood is stagnant in the atria

pre-D to stroke

87
Q

Junctional rhythms

A

P-wave usually INVERTED

QRS is normal

88
Q

Junctional Escape Rhythm

A

40-60 bpm

89
Q

Accelerated Junctional Rhythm

A

60-100 bpm

90
Q

Junctional Tachycardia

A

100-180 bpm

91
Q

Ventricular rhyrhms

A

P waves ABSENT

QRS are Wide and Bizarre

92
Q

Idioventricular rhythm

A

20-40 bpm

93
Q

Accelerated Idioventricular rhythm

A

40-100 bpm

94
Q

Ventricular tachy

A

100-250 bpm

95
Q

Torsades de Pointes is a unique subcategory of

A

Polymorphic V-tachy

96
Q

Tx of Torsades

A

Magnesium Sulfate

97
Q

2nd Degree
Mobitz type 1 AV block

“Wenckebach”

A

PRI progressively increase until a QRS is dropped

98
Q

2nd deg type II

A

PRI is prolonged and constant

99
Q

3rd deg AV block

A

P waves “march right through” QRS

No association b/w the P waves and QRS complexes

rhythms are regular but not at all related to each other

100
Q

Where to look to find “Mean Axis”

A

Lead I and AVF

101
Q

Normal Axis

A

Mean QRS deflection is positive in both Leads: I and avF

102
Q

RAD

A

Mean QRS is negative in Lead I, positive in avF

103
Q

LAD

A

Mean QRS is positive in Lead I, negative in avF

104
Q

What does LAD mean?

A

LVH- Left ventricular hypertrophy* (most common)

Chronic CAD

Diffuse myocardial dz- cardiomyophaty, myocarditis

105
Q

What does RAD mean?

A

Can be NORMAL in children and tall, thin adults

106
Q

What lead do we look at for p waves?

A

Lead II and V1

RAE: taller than 2.5 mm

LAE: wider than 0.10 (2.5 blocks)

107
Q

RAE criteria

A

P wave >2.5 mm tall
OR
Initial component (first part of wave) is larger in V1

108
Q

RAE is present in

A

Pulmonic stenosis

Tricuspid stenosis and regurgitation

109
Q

LAE

look at Lead II and V1

A

P wave >0.10 s

Terminal (last portion) of wave in V1 is bigger, going to be the part that DIPS DOWN

110
Q

LAE present in

A

MITRAL

stenosis and regurg

111
Q

LVH is present in

A

HTN

Valve heart dz

112
Q

LVH criteria

A

Deep in V1-2

TALL TALL in V5-6

R in avL is very deep, >11 mm

113
Q

HTN

Valvular heart dz

A

LVH- Left ventricular hypertrophy

114
Q

RVH often coencides with

A

RAD

115
Q

RBBB seen with

A

CAD and PE

Coronary artery dz and Pulmonary embolism

116
Q

What leads do I look at to assess for BBB?

A

Lead V1

Lead I and V6

117
Q

RBBB

A

M shaped in V1

Wide S wave (down part) in Lead I and V6

118
Q

LBBB

A

wide R wave (up part) in Lead I and V6

119
Q

Where to look for BBB

A

Lead I and V6

wide up part (LBBB)

wide down part (RBBB)

120
Q

Wellens Syndrome

EKG changes

A

Deeply inverted or biphasic T waves in V2-V3

Highly specific for: Stenosis of LAD artery

121
Q

Wellens syndrome

(LAD coronary artery) can leadd to

A

Anterior or Antero-lateral MI

122
Q

Wolf Parkinson White syndrome

A

An extra electrical pathway in the heart causes a rapid heartbeat

123
Q

Sx of Wolf Parkinson White

A

congenital (present at birth) but sx often develop later in life, age 11-50

Lightheaded, Dizzy

124
Q

Tx of WPW

A

Meds
Ablation
Rarely: shock

125
Q

Characteristic of Wolf Parkinson White

A

“Delta wave”

the upsloping before the QRS

126
Q

What is setting off the electrical impulse with Wolf Parkinson White?

A

The Bundle of Kent is overriding the AV node

127
Q

Be thinking about this is a Diabetic comes in with abnormal EKG

A

Hyperkalemia and Acid-base disturbance

128
Q

Mean axis

A

Lead I and avF

129
Q

Inverted T waves in V2-V3

A

Wellens syndrome

critical lesion in LAD (coronary artery)