Pulmonary thromboembolous and infarct Flashcards
1
Q
cause
A
venous thrombus in pelvis or legs
2
Q
RFs
A
recent surgery thrombophilia leg fracture reduced mobility malignancy pill/HRT previous PE
3
Q
symptoms
A
acute breathlessness, pleuritic chest pain, haemoptysis, dizziness
4
Q
signs
A
pyrexia, cyanosis, tachypnea, tachycardias, hypotension
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
6
Q
oligaemia
A
The reduction of blood volume in the peripheral circulation
7
Q
Tx
A
anticoagulant with LMWH
start warfarin
stop heparin when INR >2
thrombolysis for massive PE
?vena cava filter
8
Q
prevention
A
heparin prophylaxis to all immobile patients
compression stockings
early mobilisation
stop HRT and the pill pre-op