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Seven patients with typical variant angina without coronary stenoses greater than 50% developed angina and ST-segment elevation during treadmill exercise testing. In all cases the ST-segment elevation occurred in the same leads during exercise testing as during spontaneous attacks at rest. Five of the patients had developed spontaneous coronary spasm during coronary arteriography, in each case in the artery corresponding to the site of ST-segment elevation. In five patients, thallium was injected during the exercise test during which angina and ST-segment elevation occurred. In each case, a large perfusion defect not present at rest was found in the zone corresponding to the site of ST-segment elevation. These findings suggest that coronary artery spasm may occur during exercise in patients with variant angina.
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
February 1978,
The Journal of the Louisiana State Medical Society : official organ of the Louisiana State Medical Society,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
January 1980,
Indian heart journal: teaching series,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
February 1974,
British heart journal,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
June 1975,
Chest,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
February 1974,
The American journal of medicine,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
December 1980,
European journal of nuclear medicine,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
November 1993,
Lancet (London, England),
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
January 1976,
Bollettino della Societa italiana di cardiologia,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
August 1994,
Kyobu geka. The Japanese journal of thoracic surgery,
D D Waters, and
B R Chaitman, and
G Dupras, and
P Théroux, and
H F Mizgala
July 1985,
The American journal of cardiology,
