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apical ballooning of left ventricle
dilation of left ventricular apex
Etiology:
- Takotsubo cardiomyopathy
- pheochromocytoma
Pathology:
- left ventricular systolic dysfunction
Clinical manifestations:
- tachycardia, hypotension, cardiogenic shock may occur
Laboratory:
- serum troponin I elevated
- serum NT-proBNP elevated
- plasma metanephrines for pheochromocytoma
Special laboratory:
- electrocardiogram may show tachycardia, poor R-wave progression, T-wave inversions, prolonged QTc interval
- echocardiogram shows low LV ejection fraction, apical ballooning
General
ballooning
References
- Loscalzo J, Roy N, Shah RV et al
Case 8-2018: A 55-Year-Old Woman with Shock and Labile Blood
Pressure.
N Engl J Med 2018; 378:1043-1053. March 15, 2018
PMID: 29539275
http://www.nejm.org/doi/full/10.1056/NEJMcpc1712225