PE Flashcards
What are the risk factors for PE?
Recernt major trauma or surgery Cancer Significant cardiopulmonary disease Pregnancy Inherited thrommbophilia Immobility
What is the presentation of PE?
Pleuritic chest pain Dyspnoea Cough and haemoptysis Tachycardia Tachypneoa May have features of DVT
What is the initial investigation for PE?
Full history and exam
ECG
CXR
What score is used to predict likelihood of PE?
Wells score
What are the outcomes of the well score?
>4= CTPA <4= D dimer
What is the scan of choice if CTPA contraindicated?
V/Q scan
What would be some contraindications to CTPA?
Renal impairment
Pregnancy
Known allergy to contrast
What investigation is done if D dimer +?
CTPA
What is the initial management of PE?
Haemodynamic compromise= thrombolysis
Stable= LMWH e.g. enoxaparin, dalteparin
What is then ongoing management of PE?
At 5 days
- Switch to warfarin/DOAC and assess at 3 months
- pregnancy/active cancer= continue LMWH for 6 months
When can anticoagulation be stopped after PE?
Unprovoked= long term continuance
Provoked, reversible cause= ~3 months