Tamponade

A 59 yo M presents with a pneumonia and pericardial effusion. How do you know if the patient is in tamponade? This is a great article in helping you make that distinction.

Does this patient with a pericardial effusion have cardiac tamponade? – JAMA. 2007 Apr 25;297(16):1810-8.

This patient had an influenza vaccine 1 week prior to presenting with these symptoms. Can influenza vaccines cause pericarditis with effusion? There are case reports out there.

Symptomatic pericarditis after influenza vaccination: report of two cases. – Chest. 2000 Jun;117(6):1803-5.