Resp: 2. Yvonne and Harry talk through Pulmonary Embolism, its risk factors and management. This episode was vetted by Retesh Bajaj, Interventional Cardiology Fellow at Queen Mary University, London. 

Links:

ECG showing S1 Q3 T3: https://litfl.com/wp-content/uploads/2018/08/ECG-Massive-bilateral-pulmonary-embolus-2.jpeg

Chest Radiograph showing Westermark Sign: https://www.nejm.org/doi/full/10.1056/nejmicm1107936

(Modified) Well's Score calculator: https://www.mdcalc.com/wells-criteria-pulmonary-embolism

Harry's Mnemonic in full: CT S'il Vous Plait?

C: Cancer, Chemotherapy, Cardiac failure, COPD, Factor C deficiency

T: Trauma, Time (age), Thrombocytosis

S: Stasis, Surgery, Factor S deficiency

V: Varicosities, Virchow's Triad, Factor V Leiden

P: Pill (COCP), Pregnancy, Puerperium, Previous VTE, Polycythaemia, Paraprotein

Post-Show Notes: NICE 2020 guidance permits DOACs to be prescribed in stable PE as we have mentioned, however, know that LMWHs are still suitable. PE can cause haemoptysis through the ischaemia distal to the blockage. The ischaemia drives necrosis of the local tissue which manifests as bleeding.