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Assessment of Percutaneous Transluminal Coronary Angioplasty by Atrial Pacing and Thallium-201 Myocardial Imaging: A Case ReportDepartment of Cardiology, St. Louis Veterans Administration Medical Center and St. Louis University Medical Center, St. Louis, Missouri
Department of Cardiology, St. Louis Veterans Administration Medical Center and St. Louis University Medical Center, St. Louis, Missouri
Department of Cardiology, St. Louis Veterans Administration Medical Center and St. Louis University Medical Center, St. Louis, Missouri
Department of Cardiology, St. Louis Veterans Administration Medical Center and St. Louis University Medical Center, St. Louis, Missouri
Department of Cardiology, St. Louis Veterans Administration Medical Center and St. Louis University Medical Center, St. Louis, Missouri Combined atrial pacing and thallium-201 scintigraphy were performed in a man with multiple coronary artery lesions unable to perform exercise stress testing. Severe angina and ischemic ST depression in the inferior and anterior ECG leads occurred at a peak double product of 22,400 beats-mm Hg/min; thallium-201 scintigraphy showed reversible perfusion defects of the inferior, posterior, and septal segments. After angiographically successful angioplasty of a 95% right coronary artery lesion, repeat atrial pacing/thallium-201 scintig raphy (peak double product 27,750 beats-mm Hg/min) produced mild angina no ST depression in the inferior leads, and a normal thallium-201 scan. This case illustrates the value of the atrial pacing/thallium-201 stress test for evaluat ing the need for, and results of, coronary angioplasty in patients unable to per form exercise stress testing.
Angiology, Vol. 37, No. 8,
610-613 (1986) |
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