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==Post-exercise vasovagal syncope== | ==Post-exercise vasovagal syncope== | ||
Syncope after exercise is often neurally mediated, i.e. post-exercise vasovagal syncope. This condition is typically diagnosed in '''young fit, furthermore healthy young patients.''' | Syncope after exercise is often neurally mediated, i.e. post-exercise vasovagal syncope. This condition is typically diagnosed in '''young fit, furthermore healthy young patients.''' | ||
Foremost, the diagnostic workup of all patients presenting with exercise-related syncope is aimed at '''excluding dangerous [[Cardiac syncope|cardiac conditions]]''' and includes echocardiography and exercise testing <cite>Krediet04b</cite>. | Foremost, the diagnostic workup of all patients presenting with exercise-related syncope is aimed at '''excluding dangerous [[Cardiac syncope|cardiac conditions]]''' and includes echocardiography and exercise testing <cite>Krediet04b</cite>. Risk factors for a cardial problem are fainting while sitting or supine and suddenly fainting ''during'' exercise without presyncope. | ||
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Characteristically, syncope may occur while the individual is '''standing motionless''' during the first five to ten minutes after exercise <cite>Bjurstedt</cite>. Especially athletes in the (ultra) endurance sports are at risk for post exercise vasovagal syncope e.g. after marathon swimming (Finlay et al., 1995) or marathon running (Tsutsumi & Hara, 1979;Holtzhausen & Noakes, 1995;Holtzhausen & Noakes, 1997). | Characteristically, syncope may occur while the individual is '''standing motionless''' during the first five to ten minutes after exercise <cite>Bjurstedt</cite>. Especially athletes in the (ultra) endurance sports are at risk for post exercise vasovagal syncope e.g. after marathon swimming (Finlay et al., 1995) or marathon running (Tsutsumi & Hara, 1979;Holtzhausen & Noakes, 1995;Holtzhausen & Noakes, 1997). | ||
Vasovagal syncope after routine treadmill testing is rare (estimated 0,2% (Schlesinger, 1973)). However, when treadmill testing is immediately followed by passive head-up tilt testing, this percentage can increase up to 50-70% (Bjurstedt et al., 1983). | Vasovagal syncope after routine treadmill testing is rare (estimated 0,2% (Schlesinger, 1973)). However, when treadmill testing is immediately followed by passive head-up tilt testing, this percentage can increase up to 50-70% (Bjurstedt et al., 1983). | ||