MICU

Question 1

What is used to treat symptomatic multifocal atrial tachycardia?

Answer 1

B-blocker of CCB

Question 2

What heart arythmia is classically seen in COPD exacerbation?

Answer 2

MAT

Question 3

What are the side effect profile of Theophylline?

Answer 3

seizures and arrhythmias

Question 4

What is the average % of gastric emptying at 2 hours? 4 hours?

Answer 4

%60 emptied at 2 hours, %95 emptied at 4 hours

Question 5

Is a positive urine antigen test for legionella really sensitive or specific in patients admitted for CAP?

Answer 5

specific

Question 6

What is the normal range of cardiac index?

Answer 6

2.6-4.2

Question 7

How is cardiac index calculated?

Answer 7

cardiac output/body surface area

Question 8

Below what level of cardiac index is the patient likely in cardiogenic shock?

Answer 8

<2.2

Question 9

How do you calculate cardiac output?

Answer 9

stroke volume X HR

Question 10

Anion gap calculation

Answer 10

= Na - Cl - bicarb

Question 11

1st line vasopressor support in septic shock

Answer 11

norepinephrine

Question 12

What is the name of the rhythm caused by a high atrioventricular (AV) nodal block that results in a progressive prolongation of the PR interval until a P wave fails to conduct to the ventricle?

Answer 12

Second-degree AV block type I (Wenckebach)

Question 13

What is the goal of end-tidal CO2 in post cardiac arrest?What about O2 sats?

Answer 13

35-40 mEq/L; 94%

Question 14

When do you defibrillation in ACLs?

Answer 14

Vfib or pulseless Vtach

Question 15

What is the 1st line antiarrythmic for VF/pulseless Vtach?

Answer 15

amiodarone

Question 16

5 H’s of PEA/asystole

Answer 16

Hypovolemia, hypoxia, hypo/hyperK, Hydrogen Ion, Hypothermia

Question 17

the 5 T’s of PEA/Asystole

Answer 17

Tamponade, Tension pneumothorax, toxins, thrombosis, thrombosis (heart or lungs)

Question 18

1st line tx for symptomatic bradycardia. what next?

Answer 18

Atropine; dopamine or epinephrine or transcutaneous pacing

Question 19

Define narrow qrs complex

Answer 19

<0.12 seconds

Question 20

Causes of narrow qrs tachycardia?

Answer 20

sinus tach, afib/flut, AV nodal reentry, accessory pathway -mediated tachycardia, atrial tachycardia, MAT, junctional tachycardia

Question 21

What is the mechanism of a PVC?

Answer 21

the beat is started in the Purkinje fibers instead of the SA node

Question 22

What is a wide QRS complex and what are the causes of wide QRS complexes

Answer 22

vtach, vfib, SVT with aberrancy, pre-excited tachycardias (WPW), v-paced

Question 23

What would you use synchronized cardioversion for?

Answer 23

unstable SVT/afib/aflut/monomorphic VT

Question 24

What does monomorphic VT look like?

Answer 24

wide and bizarre QRS complexes

Question 25

What is a Dressler beat?

Answer 25

p wave during monomorphic VT

Question 26

Patient has narrow complex tachycardia, pt hemo unstable (or SVT)

Answer 26

synchronized cardioversion

Question 27

regular, wide complex tachycardia, pt hemo unstable

Answer 27

antiarrythmic

Question 28

CorPP (coronary perfusion pressure) calculation

Answer 28

= diastolic BP- right atrial pressure

Question 29

What GCS score and RR are indicative of impending respiratory failure?

Answer 29

<8 or >40

Question 30

2 categories of hypoxia?

Answer 30

normocapneic vs hypercapneic

Question 31

What is a good algorithm to look up hypoxia algorithm?

Answer 31

Cleveland clinic algorithm

Question 32

How to estimate FiO2 estimation of nasal cannulas?

Answer 32

= 21 + 3(L of O2)

Question 33

What are EKG changes for Left atrial enlargement?

Answer 33

II and V1

Question 34

How do you calculate how much fluid to give in a burn patient?

Answer 34

1. Parkland Formula=4mL x body weight (kg) x %TBSA, for total Liters in a 24 hour period
2. First 8 hours give half, and then divide the rest over a 16 hour period