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Challenges in Clinical Electrocardiography
August 2016

Chest Pain in a Patient With Left Bundle Branch Block

Author Affiliations
  • 1Cardiology Department, The James Cook University Hospital, Marton Road, Middlesbrough, Tyne and Wear, England

Copyright 2016 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.

JAMA Intern Med. 2016;176(8):1211-1212. doi:10.1001/jamainternmed.2016.3225

A woman in her 70s presented with sudden-onset central chest pain. She was known to have hypertension, which was well controlled with amlodipine maleate therapy. She sought medical help within 2 hours of the onset of pain and an electrocardiogram (ECG) was performed (Figure 1). No previous ECG was available for comparison.

Questions: What is the diagnosis and how should this patient be treated?

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