Aortic regurgitation: Difference between revisions
(Text replacement - "==References== " to "==References== <references/> ") |
Neil.m.young (talk | contribs) (Text replacement - "beta blocker" to "β-blocker") |
||
| Line 28: | Line 28: | ||
**[[Nitroprusside]] | **[[Nitroprusside]] | ||
*Diuretics and nitrates do not work | *Diuretics and nitrates do not work | ||
*Do not use | *Do not use β-blockers (block compensatory tachycardia) | ||
==Disposition== | ==Disposition== | ||
Revision as of 10:51, 7 August 2017
Background
Causes
- Endocarditis
- Aortic dissection
- Always suspect in acute aortic regugitation
- Blunt chest trauma
Clinical Features
- Pulmonary edema
- Wide pulse pressure
- Dyspnea
- Hypotension (may progress to cardiogenic shock)
- Decrescendo diastolic murmur heard immediately after S2
Differential Diagnosis
Valvular Emergencies
Evaluation
Consider the following tests
- CXR may be helpful
- May see pulmonary edema with out cardiac enlargement
- Left ventricular hypertrophy and dilated aorta
- Transthoracic echo will provide a more definitive diagnosis
Management
- Immediate surgical intervention
- Reduce afterload
- Diuretics and nitrates do not work
- Do not use β-blockers (block compensatory tachycardia)