[Skip to Content]
[Skip to Content Landing]
Citations 0
April 7, 2004

Cardiovascular Effects of Ephedra

Author Affiliations

Letters Section Editor: Stephen J. Lurie, MD, PhD, Senior Editor.

JAMA. 2004;291(13):1560. doi:10.1001/jama.291.13.1560-b

To the Editor: Dr McBride and colleagues1 suggested that ephedra might be responsible for prolongation of the QT interval, increased P-wave duration, and elevated systolic blood pressures noted with the use of Metabolife 356. The authors acknowledged that the multi-ingredient nature of this product precludes a definite statement regarding causation but argued that the findings were unlikely to be due to caffeine. They did not discuss the other components of the supplement.

First Page Preview View Large
First page PDF preview
First page PDF preview