QT Interval: The Proper Measurement Techniques

AUTHORS

Z Basamad * , +

How to Cite: Basamad Z. QT Interval: The Proper Measurement Techniques, Shiraz E-Med J. Online ahead of Print ; 11(2):20367.

ARTICLE INFORMATION

Shiraz E-Medical Journal: 11 (2); 97-101
Published Online: April 1, 2010
Article Type: Case Report
Received: January 5, 2010
Accepted: January 1, 1970
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Abstract

Jessica is a 23-year-old university student who presents to hospital with anorexia and symptoms of a lower respiratory tract infection. She is otherwise healthy and is on no medications. The remainder of her history is unremarkable except for a family history of sudden, unexplained death in a maternal aunt. Baseline blood work shows mild hypokalemia and a left lower lobe infiltrate on her chest xray. She is admitted to hospital for correction of her electrolytes and is given clarithromycin for her pneumonia. The following day, she suffers a cardiac arrest. Polymorphic wide QRS complex tachycardia is seen on the monitor. A post-resuscitation ECG demonstrates striking QT findings (Figure 1).

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