Funtabulously Frivolous Friday Five 338 - Just when you thought your brain could unwind, enter the medical trivia of FFFF.
49 year female old smoker with two weeks of increasing shortness of breath. She is treated for pneumonia on the ward but getting worse.
Pulsus paradoxus is defined as an inspiratory drop in blood pressure of 10mmHg or more during normal breathing.
Systolic Pressure Variation and Stroke Volume Variation between spontaneous breathing and mechanical ventilation