For clinical reference only — does not replace local trust guidelines or clinical judgement.
Clinical Presentations

Palpitations

Palpitations

🚨 Life-Threatening — exclude first
If suspected, escalate now.
Ventricular Tachycardia
SVT with Instability
Fast AF with Haemodynamic Compromise
Long QT / Torsades
🚨

Dangerous Causes Causes

VTSVT with instabilityAF with haemodynamic compromiseLong QT / TorsadesComplete Heart Block
❤️

Cardiac Causes

AF / FlutterSVTEctopicsIschaemiaStructural heart disease
🩸

Metabolic Causes

HyperthyroidismAnaemiaElectrolyte disturbance (K+, Mg2+)Hypoglycaemia
😟

Other Causes

Anxiety / PanicCaffeine, alcohol, stimulantsSepsisPain