Arrhythmias (atrial fibrillation, SVT, ventricular)
Arrhythmias are abnormal heart rhythms — too fast, too slow, or irregular. Common types include atrial fibrillation (AF), supraventricular tachycardia (SVT), and ventricular ectopy. Many patients also have cardiac implantable electronic devices (CIEDs) — pacemakers or ICDs. Key dental risks: hemodynamic instability, ischemia, and triggering/worsening tachyarrhythmias from pain, anxiety, or inadvertent intravascular epinephrine. CIED patients have additional electromagnetic interference (EMI) concerns with certain dental equipment.
The full condition entry includes
- Safe vs avoid lists: antibiotics, analgesics, local anesthetics
- Vasoconstrictor limits and treatment modifications
- Pre/intra/post-op monitoring and deferral criteria
- Emergency management, explained for study
More medical conditions in dentistry
Dentalverse is an educational resource for dental students and dentists. This page is a study reference — it is not medical advice and does not replace clinical judgment. Always follow your institution's protocols and your supervisor's guidance.