An 80 year old male presents from home with 2 days of worsening of shortness of breath. He has a history of chronic airways disease and was recently hospitalised for repair of an Internal Iliac artery aneurysm.

Vital Signs:

BP 160/60 mmHg

PR 88/min

RR 26/min

Saturations 95% RA

An ABG was performed: Continue reading →