Pulmonary Emboli Flashcards Preview

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Flashcards in Pulmonary Emboli Deck (17):
1

Pathophysiology

Detached intravascular mass carried to lungs by blood

2

Cause

DVT

3

Risk factors

Abnormal blood flow
Hypercoaguable blood (post MI, cancer treatment)
recent surgery

4

Investigations

1st - CTPA or V/Q scan (if renal issues present)
ECG
D-dimer
chest X-ray

5

What would be present on the ECG?

Acute R strain

6

What would the d-dimer test show?

Raised D-dimers

7

Treatment

LMW heparin or fondaparinux for 5 days or until INR>20 for 24hrs
Warfarin for 3 months or other Vitamin K antagonist

8

Treatment (large PE)

Thrombolysis if haemodynamically unstable

9

What is associated with a large PE?

Circulatory failure (e.g hypotension)

10

What is associated with PE

Pleural effusion

11

Describe a pleural effusion that accompanies a PE

small and blood stained

12

Patients with PE may enter what?

Respiratory alkalosis

13

Symptoms

severe chest pain
dyspnoea
haemoptysis

14

what investigation would be used in a pregnant patient with suspected PE

V/Q scan

15

a well's score of what makes PE unlikely

< or = 4

16

a well's score of what makes PE likely

>4

17

when would IVC filter be offered

if PE remains despite anticoagulation after considering increasing LMWH