Abstract. Five cases of exercise induced pure vasodepressor syncope in patients without significant structural heart disease are reported. Hypotension and symptoms of syncope or pre-syncope were induced by treadmill exercise testing and in each case limited exercise performance. Evidence of inappropriate peripheral vasodilation,
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Atrioventricular block, His bundle, Exercise-induced near syncope The patient is a 29-year-old man with a history of exercise-induced near syncope. He is the product of a normal pregnancy and was not known to have any cardiovascular abnormalities as a child.
Author: Mark E. Josephson
We describe a 14-year-old dis- Neurocardiogenic syncope is a common cause of idio- tance runner with exercise-induced neurocardiogenic syn- pathic syncope. Grubb et al. 3 were the first to describe cope.
Feb 01, 2004 · This fact, combined with the reported pre-syncope after less exhaustive exercise and syncope during medical and dental examination, led us to believe that this was not exercise associated collapse or simple post-exercise hypotension, but exercise induced neurally mediated syncope.
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Advise patients with exercise-induced syncope to increase fluid and salt intake while exercising (B). Strength training can also be helpful (B). Most drug therapies, such as beta-blockers, vasoconstrictors, and anti-arrhythmics, have inconsistent results (A). use of permanent pacemakers are not effective (B).
Syncope is a sudden loss of conscious- ness,usuallyaccompaniedbyfallingdue to loss of postural tone, with subse- quent spontaneous recovery. It is typi- cally due to a transient global decrease inbloodflowtothebrainformorethan 8 to 10 seconds.
Expert Analysis. Discussion Syncope, defined as a transient loss of consciousness due to global cerebral hypoperfusion, is characterized by spontaneous and complete recovery. 5 Presyncope, in contrast to syncope, is the presence of lightheadedness, dizziness, or …
Most syncope results from insufficient cerebral blood flow. Some cases involve adequate flow but with insufficient cerebral substrate (oxygen, glucose, or both). Most deficiencies in cerebral blood flow result from decreased cardiac output (CO).
Exercise induced syncope is infrequent but exercise testing should be performed in patients who experience syncope during or shortly after exertion. 2 Stress testing should be avoided in patients with severe, symptomatic aortic stenosis or hypertrophic cardiomyopathy and severe outflow tract obstruction.
Jan 01, 2000 · Exercise-induced neurocardiogenic syncope: Clinical data, pathophysiological aspects, and potential role of tilt table testing D. Kosinski Electrophysiology Section Division of Cardiology Department of Medicine, Medical College of OhioToledo, Ohio, U.S.A.
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