Anatom3D
ENCZDE
Download

Supraventricular tachycardia

Tachycardia supraventricularis · Supraventrikulární tachykardie

What it is

A short circuit near the AV node fires the heart at 150–250 bpm.

Symptoms & signs

  • Sudden racing regular heartbeat
  • starts and stops abruptly
  • chest flutter
  • light-headedness

🚩 Get help if…

  • call 112 / 911 now Racing heart with chest pain, fainting or severe breathlessness
  • see a doctor soon Racing heart lasting over 15 minutes despite breath-holding or straining
  • see a doctor soon Attacks becoming more frequent or longer

Where it strikes

Medical treatment

  • Vagal manoeuvres (modified Valsalva)
  • IV adenosine
  • beta blockers
  • catheter ablation is curative

Natural & lifestyle

  • Reduce caffeine and stimulants
  • treat thyroid
  • hydration
  • sleep

Emerging & experimental

  • Pulsed-field ablation
  • wearable ECG-guided care

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Modified Valsalva (strain, then lie down with legs raised) — the REVERT trial converted about four in ten attacks trials support
  • Cold water on the face (diving reflex) — widely taught; works for some anecdotal / traditional
  • Magnesium — small studies of fewer episodes early / small studies

ICD codes