Cardiac Tamponade Flashcards
1
Q
what is a cardiac tamponade?
A
accumulation of pericardial fluid under pressure
2
Q
what are the classical features of cardiac tamponade?
A
beck’s triad
* hypotension
* raised JVP
* muffled heart sounds
3
Q
what are the features of cardiac tamponade?
A
- hypotension
- raised JVP
- muffled heart sounds
- dyspnoea
- tachycardia
- an absent Y desent on the JVP
- pulsus paradoxus
- kussmaul’s sign
4
Q
what is the cause of an absent Y descent on the JVP in cardiac tamponade
A
due to the limited right ventricular filling
5
Q
what is pulsus paradoxus?
A
abnormally large drop in BP during inspiration
6
Q
what is seen on ECG in cardiac tamponade?
A
electrical alternans
varying heights of Q wave
7
Q
what is the management of cardiac tamponade?
A
urgent pericardiocentesis
