Elevated INTRApericardial pressure >3mmHg d/t accumulation PE = elevation & equalization intracardiac pressures with progressive limitation of vent dias filling and reduction of SV.
Explain respiratory variation
Exaggerated decrease / increase in systolic blood pressure with inspiration / expiration
Pulsus Paradoxus
Exaggerated decrease in systolic blood pressure with inspiration
Define: Beck's Triad
increased venous pressure
hypotension
diminished heart sounds
Kussmauls Sign is:
paradoxical increase in venous distension & pressure during inspiration (bulging jugular vein)
What 4 clinical findings would you see with cardiac tamponade? HELP
1. Low CO
2. Elevated venous pressures
3. Pulsus Paradoxus
4. Hypotension
M-Mode findings for Constrictive Pericarditis are?
Flat diastolic motion of LV inferior wall (square root sign)
Both layers of pericardium move together
Abrupt posterior motion of vent septum in early diastole (dip)
Name one hemodynamic difference between cardiac tamponade & constrictive pericarditis.
Tamponade - holodiastolic collapse
Constrictive Pericarditis - mid to late diastolic collapse
Collapse of the RV is more specific for ___________________.
Tamponade
Best way to differentiate constrictive pericarditis to restrictive CMO?