Pulmonary Vascular Disorders

A 29 year old female presented with a 2 day history of shortness of breath & right-sided pleuritic chest pain. She had one episode of haemoptysis.
She was on the COCP & had just returned from a weekend away in London
On examination, RR 26/min, HR 110bpm, BP 124/84mmHg, SpO2 94% on room air. There was no lower limb size discrepancy & chest examination was normal.
What is your diagnositic test of choice?

All of the below are criteria of the Modified Wells Score EXCEPT:

Deep Vein Thrombosis Risk is significant after how many kilometers of travel?

A 72 year old man presents with a 4 day history of right sided pleuritic chest pain, cough & sputum. There was one episode of haemoptysis.
He has a background of COPD, GOLD B & is on a LABA/LAMA. He is an ex-smoker, no other PMH
On examination, HR 88 bpm, RR 24/min, BP 130/78mmHg, SpO2 94% on RA, calves soft, scattered wheeze throughout chest
What Investigation will you order?

Patient is haemodynamically stable
There is no clinical evidence of PE or DVT
D-dimer is negative (ie low)
What is your next magament step