Embolism

Question 1

Type of embolism that occurs with an interatrial or interventricular septal defect

Answer 1

Paradoxical embolism

Question 2

Cor pulmonale

Answer 2

RHF from PE

Question 3

Hemodynamic consequences of massive PE

Answer 3

Sudden obstruction of outflow
Acute RHF
Pronounced reduction in LV output
Sudden hypotension

Question 4

EKG findings in PE

Answer 4

Large S wave in lead I
Large Q wave in lead III
Inverted T wave in lead 3

Sinus tachycardia

Question 5

Test of choice for PE

Answer 5

CT pulmonary angiography

Question 6

Sources of systemic thromboembolism

Answer 6

Intracardiac mural thrombi
Aortic aneurysm
Atherosclerotic plaques
Valvular vegetations
Venous thrombi

Question 7

Etiology of fat and marrow embolism

Answer 7

Fractures of long bones
Soft tissue trauma
Burns

Question 8

Characteristic rounded clear holes in a small pulmonary arterial branch

Answer 8

Fat embolism

Question 9

Stains for fat

Answer 9

Oil red
Sudan black

Question 10

Pt presents with sudden onset tachypnea, tachycardia, irritability, and petechial rash. They fractured their hip 3 days ago.

Answer 10

Fat embolism

Question 11

Gas bubbles within circulation result in frothy masses that obstruct vascular flow

Answer 11

Air embolism