CV Disorders 2 - CHB, IVC, RV dysfunction, HOCM shock

Question 1

Prognosis is worse for complete heart block associated w/ inferior or anterior MI?

Answer 1

Anterior

Question 2

2 reasons why CHB-associated anterior MI is worse than inferior

Answer 2

Greater extent of damaged myocardium; damage is distal to His bundle

Question 3

To call elevated RA pressure, the IVC must be _____ AND _____.

Answer 3

> 2.1 cm; collapse <50%

Question 4

IVC diameter/collapse should not be used to estimate RA pressure in _____ patients.

Answer 4

mechanically ventilated

Question 5

What is the Kussmaul sign?

Answer 5

Inspiratory rise in JVP

Question 6

What does Kussmaul sign suggest?

Answer 6

impaired RV filling

Question 7

3 conditions associated w/ Kussmaul sign

Answer 7

RV infarction, tamponade, constrictive pericarditis

Question 8

Fluid bolus is _____ in shock due to RVMI.

Answer 8

ineffective

Question 9

drug for torsades de pointes

Answer 9

Mag sulfate

Question 10

2 mainstays to Tx shock from HOCM

Answer 10

fluids and phenylephrine