Pulmonary Embolism

Question 1

Indication of PE ?

UW

Answer 1

V/Q mismatch
Perfusion defects

Question 2

PE diagnosis test ??

UW

Answer 2

Ventilation/Perfusion sacnning
- A large perfusion defect without ventilation defect is the characteristics + test result

UWorld

Question 2

Massive PE results in —-

UWorld

Answer 2

Sudden Cardiac Death -SCD
LOSS of CO

UW

Question 2

PE cause ?

UWorld

Answer 2

Deep vein thrombosis in lower extremities
+ Embolizes to the pulmonary vasculature

UW

Question 3

Sudden Cradiac Death Differential Dx ?

UW

Answer 3

Cardiac arrhytmia triggered ny right ventricular strain & ischemia

UW

Question 4

PE features ? Result –

UW

Answer 4

Dead space ventilation
-Hypoxemia
-Mismatch V/P

UW

Question 5

Classical presentation of PE >??

UW

Answer 5

1. Sudden shortness of breath
2. Pleuritic chest pain
3. Hypoxemia
4. Miasmatch V/Q
5. Arterial PCO2 dec

UW

Question 6

PE common presentation ??

UW

Answer 6

1. Hypoxemia = Mismatch V/Q
2. Acute respiratory Alkalosis/ Hypocapnia = Hyperventilation

UWorld

Question 7

How to reduce risk of thromboembolism (PE + DVT ) in hospitalized patients ?

UW

Answer 7

Prophylactic anticoagulant
Low MW HEPARIN

UWorld

Question 8

Calf swelling
+
Prolonged Immobility
+
Sudden Dyspnea
= ???

UW

Answer 8

PE

UWorld

Question 9

PE/P artery occlusion can cause - LunG infarction
Tx ??

UW

Answer 9

Dual blood supply of lung
-Pulmonary arteries
-Bronchial arteries

UWorld

As Bronchial artery can continue to provide blood to the lung parenchyma
as Pulmonay circulation is FUCKED UP ///

Question 10

Pulmonary infarcts ??

UW

Answer 10

Hemorrhagic red and wedge shaped in the periphery of the lung

UW

Question 10

IV drug users kemon HogaMara khabe ???

UW ??

Answer 10

Tricuspid valve endocarditis
=Multiplr septic pulmonary infarcts
=Embolization of Tricuspid valve vegetation fragmements

UWorld