• Internal medicine journal · Aug 2019

    Case Reports

    Troponin release after exertional vasovagal syncope.

    • Olivia Quinn, David Jardine, Christopher Florkowski, and Martin Than.
    • Department of General Medicine, Christchurch Hospital, Christchurch, New Zealand.
    • Intern Med J. 2019 Aug 1; 49 (8): 1040-1043.

    AbstractTroponin release following exertional vasovagal syncope has not previously been reported. A young man was investigated after being admitted twice with exertional syncope, each time followed by a 10-fold spike in troponin I over 24 h. Treadmill exercise tests reproduced his symptoms and demonstrated a vasovagal mechanism. During recovery, despite lying supine, he remained hypotensive for 5 min, with profound bradycardia and ST segment depression. We suspected that intense cardiovagal neural activity may have caused the troponin leak.© 2019 Royal Australasian College of Physicians.

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