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Define: Cardiac Tamponade
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
Exaggerated decrease in systolic blood pressure with inspiration
Define: Beck's Triad
- increased venous pressure
- 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 ___________________.
Best way to differentiate constrictive pericarditis to restrictive CMO?
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