Pulmonary Embolism

Question 1

Pulmonary embolism

Answer 1

blockage of pulmonary arteries
RF:
-immobility
-surgery within last 3 mnth
-stroke, DVT

Question 2

Virchow’s triad

Answer 2

1. stasis of blood flow
2. hypercoagulability
3. endothelial injury

Question 3

Classic manifestations

Answer 3

• dyspnea
• chest pain
• hemoptysis

Question 4

Diagnostics

Answer 4

• spiral CT scan
• V/Q scan
• D dimer
• angiography

Question 5

Supportive thereapy

Answer 5

• O2
• TCDB
• shock: vasopressor
• HR: diuretics
• pain: opioids
• anticoagulants or fibrinolytics

Question 6

Anticoagulant therapy

Answer 6

• LMWH
• unfractionated
• warfarin
• factor Xa

Question 7

Bleeding Tendencies INR & PT

Answer 7

• INR: >2.5

- PT: >4.0

Question 8

Embolectomy

Answer 8

severe obstruction

-need preop angiography

Question 9

Inferior vena cava filter

Answer 9

To prevent further pulmonary embolizat