Cardiogenic shock other diagnostic studies
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]
Other Diagnostic Studies
Swan Ganz Catheter
The Swan-ganz catheter or pulmonary artery catheter may be helpful in distinguishing cardiogenic shock from septic shock and in optimizing the patient's left ventricular filling pressures (see section on Treatment below). The presence of significant V waves (greatly exceeding the pulmonary capillary wedge pressure) on the pulmonary artery tracing suggests either acute mitral regurgitation or a ventricular septal defect.
- This technique is recommended for MI patients who are severely hypotensive, however, several centers are gradually switching to a less invasive approach, managing cardiogenic shock patients by their clinic complemented by echocardiography, instead of using the PA catheter. [1][2]
Biopsy
In case of suspected cardiomyopathy a biopsy of heart muscle may be of benefit in establishing a definitive diagnosis.
References
- ↑ Reynolds, H. R.; Hochman, J. S. (2008). "Cardiogenic Shock: Current Concepts and Improving Outcomes". Circulation. 117 (5): 686–697. doi:10.1161/CIRCULATIONAHA.106.613596. ISSN 0009-7322.
- ↑ Antman, E. M. (2004). "ACC/AHA Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction--Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the 1999 Guidelines for the Management of Patients With Acute Myocardial Infarction)". Circulation. 110 (5): 588–636. doi:10.1161/01.CIR.0000134791.68010.FA. ISSN 0009-7322.