Ventilation short test

This test will be forwarded to your supervisor only if he/she has contacted the training and education group.

A 56-year-old hypertensive smoker is admitted with a 4 day history of breathlessness, chest pain, cough, dirty sputum and general malaise. He has had no previous hospital admissions.  His medications are ramipril, atenolol and salbutamol inhaler.  He weighs 75kg.

He is talking in short sentences, but is confused and has a respiratory rate of 30 breaths/minute. His SpO2 is 85% on 6 l/minute O2. He has left basal crackles. His BP is 104/45mmHg, HR 120 beats/min, sinus tachycardia. His capillary refill time is 4 seconds.

Investigation results

Na 141, K 4.8, Cl 110, Urea 14.6, Creat 145

Hb 14.8, WCC 16, platelets 156

His CXR shows left basal infiltrates.

PaO2 6.8kPa, PaCO2 6.9, HCO3 26, H+54