Unknown QRS Morphology Change at Peak Exercise

Fabio M. Leonelli, MD; Daniel Sun, BS; Stephanie Gonzalez, BS; Rejoy Sabin Thomas, BS; Maqsood A. Siddique, MD

JACC: Case Reports (Sep 2023)

Unknown QRS Morphology Change at Peak Exercise

Fabio M. Leonelli, MD,
Daniel Sun, BS,
Stephanie Gonzalez, BS,
Rejoy Sabin Thomas, BS,
Maqsood A. Siddique, MD

Affiliations

Fabio M. Leonelli, MD: James A. Haley Veterans’ Hospital, Tampa, Florida, USA; Tampa Veterans Affairs Clinical Research and Education Center, Tampa, Florida, USA; Address for correspondence: Dr Fabio M. Leonelli, Cardiology Department, James A. Haley Veterans’ Hospital, 13000 Bruce B. Downs Boulevard, Tampa, Florida 33612, USA.
Daniel Sun, BS: James A. Haley Veterans’ Hospital, Tampa, Florida, USA; Tampa Veterans Affairs Clinical Research and Education Center, Tampa, Florida, USA
Stephanie Gonzalez, BS: James A. Haley Veterans’ Hospital, Tampa, Florida, USA; Tampa Veterans Affairs Clinical Research and Education Center, Tampa, Florida, USA
Rejoy Sabin Thomas, BS: James A. Haley Veterans’ Hospital, Tampa, Florida, USA; Tampa Veterans Affairs Clinical Research and Education Center, Tampa, Florida, USA
Maqsood A. Siddique, MD: James A. Haley Veterans’ Hospital, Tampa, Florida, USA

Journal volume & issue: Vol. 22
p. 101951

Abstract

Read online

Electrocardiogram changes during stress tests are well standardized and understood. We present and explain a reversible QRS morphology change at peak exercise previously unreported. (Level of Difficulty: Intermediate.)

Published in JACC: Case Reports

ISSN: 2666-0849 (Online)
Publisher: Elsevier
Country of publisher: United States
LCC subjects: Medicine: Internal medicine: Specialties of internal medicine: Diseases of the circulatory (Cardiovascular) system
Website: https://www.journals.elsevier.com/jacc-case-reports

About the journal

Abstract

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