CV Care 1 — ECMO, HOCM, LVAD

Question 1

During ___-ECMO, reductions in circuit flow will directly reduce cardiac output.

Answer 1

VA

Question 2

In ECMO, _____ is changed to control Paco2 and has no direct circulatory effect

Answer 2

Sweep gas flow

Question 3

Preferred type of septal ablation for young, non-comorbid pts w/ HOCM

Answer 3

Surgical myomectomy

Question 4

Effect on LVAD power if (with speed constant) there is pump thrombosis.

Answer 4

Increases

Question 5

Effect on LVAD power if (with speed constant) there is decreased LV preload.

Answer 5

Stays same or decreases

Question 6

When is the highest risk of LVAD pump thrombosis?

Answer 6

First 6 months

Question 7

Four indicators of LVAD pump thrombosis

Answer 7

decompensated CHF, ⬆️pump power, ⬆️LDH, other signs of hemolysis

Question 8

3 Tx options for LVAD pump thrombosis

Answer 8

Heparin, thrombolytics, pump replacement

Question 9

Pre-/post-oxygenator pressure gradient ≥___ mmHg should prompt oxygenator exchange (ECMO).

Answer 9

70

Question 10

Which arterial line is overdampened?

Answer 10

A

Question 11

Causes of dampening of A-line

Answer 11

bubbles, kinks, stopcocks, or thrombus in the line (anything cause of resistance in the line)