In this Stanford 25 video, Dr. Ronald Witteles, Professor of Cardiovascular Medicine and the Stanford Internal Medicine Residency Program Director, shares the pathophysiology and clinical presentation of pulsus paradoxus. This was filmed live at the Stanford Internal Medicine Residency Morning Report. Thank you to Sulaiman Somani for being the patient.
Produced by Aaron Frank, MD and Errol Ozdalga, MD.
0:00 - Introduction
0:25 - Pulsus Paradoxus Definition
1:43 - Mechanism
3:00 - Cardiac Tamponade
3:56 - Constriction mechanism
6:15 - Pericardial Effusion
6:30 - Clinical Diagnosis!
7:40 - Pulse Pressure Graph
8:15 - Pulsus Physical Exam Findings
10:18 - Physical Exam Rules
12:40 - ECHO Findings
13:50 - How to create a 'pulsus'
14:05 - Asthma similarities
15:45 - Straw mechanisms
16:15 - Aortic Stenosis Pearl
17:00 - Physical Exam Findings!
18:41 - Physical Exam explanation
Thank you to CSRP Funding for your support of Stanford 25.