Pulmonary thromboembolous and infarct Flashcards

1
Q

cause

A

venous thrombus in pelvis or legs

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2
Q

RFs

A
recent surgery
thrombophilia
leg fracture
reduced mobility
malignancy
pill/HRT
previous PE
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3
Q

symptoms

A

acute breathlessness, pleuritic chest pain, haemoptysis, dizziness

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4
Q

signs

A

pyrexia, cyanosis, tachypnea, tachycardias, hypotension

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5
Q

diagnostic tests

A

baseline clotting factors
d-dimers
ABG may show decreased PaO2 and decreased PaCO2
imaging: CXR
- normal or oligaemia of affected segment, dilated PA

ECG: may be normal. tachycardia, RBBB, RV strain

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6
Q

oligaemia

A

The reduction of blood volume in the peripheral circulation

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7
Q

Tx

A

anticoagulant with LMWH
start warfarin
stop heparin when INR >2
thrombolysis for massive PE

?vena cava filter

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8
Q

prevention

A

heparin prophylaxis to all immobile patients
compression stockings
early mobilisation
stop HRT and the pill pre-op

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