Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Emergency medicine > Emergency medicine > Flashcards

Emergency medicine Flashcards

1
Q

Initial orders for suspected overdose with acute altered mental status (lethargic) + dilated pupils

A
  1. give naloxone, thiamine and glucose ASAP
  2. request for urine toxicology
  3. ASA and acetaminophen levels
  4. Chem 20
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the next urgent step in TCA overdose?

A

request for ECG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the most common cause of death in TCA overdose?

A

arrhythmia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the fastest way to reverse the effects of TCA on the heart?

A

Give bicarbonate. It prevents arrhythmias

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

TCAs can cause death by? (3)

A

arrhythmia, wide QRS and seizures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

TCAs cause seizures by? (2)

A

decreasing GABA (inhibitory) & increasing CNS Norepinephrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Initial orders for acetaminophen overdose?

A

Give NAC and charcoal ASAP
request for acetaminophen levels
CHEM 20
LFTs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How long will you give NAC to acetaminophen overdose?

A

1-2 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How long will you give charcoal to acetaminophen overdose?

A

24 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the most urgent test in ASA overdose?

A

ABG. People can die from respiratory alkalosis & metabolic acidosis from ASA overdose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Initial orders for ASA overdose

A
  1. Stat ABG
  2. request for salicylate and acetminophen level
  3. CHEM 7
  4. LFTs
  5. charcoal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the mechanism for metabolic acidosis in ASA overdose?

A

Lactic acidosis.
Salicylates block oxidative phosphorylation in the mitochondria shifting cell metabolism to glycolysis. The end product of glycolysis is lactic acid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why do we give bicarbonate in ASA overdose?

A

To enhance secretion of salicylates from the tubules
ASA (weak acid) gets charged in a basic environment
charged molecules cannot pass be reabsorbed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

why do confusion develop with ASA overdose?

A

decreased CNS glucose, cerebral edema and CNS toxicoty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

indications for dialysis with ASA overdose:

A

seizures & coma, pulmonary edema, severe confusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the most common cause of death in fires?

A

carbon monoxide posioning

17
Q

initial orders for a fire victim (inhalational injury)?

A

100% O2, ABG, ECG, CarboxyHb level, Chem 7

18
Q

How do you die from CO poisoning?

A

myocardial infarction

19
Q

What is the mechanism of cardiac ischemia?

A

CO prevents the release of O2 to the tissues

20
Q

what is the strongest indication to use hyperbaric O2 in CO poisoning?

A

Presence of ST depression or elevation (MI)

21
Q

what is the most common presentation of aortic stenosis that a patient from CO poisoning has?

A

angina

Emergency medicine (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions