Hyperkalaemia — tented T waves, and the three-step ladder

About this video

Hyperkalaemia is a serum potassium concentration above 5.5 mmol/L and is one of the few electrolyte emergencies because it can precipitate fatal cardiac arrhythmia. Full topic, figures, and citations: https://medvellum.com/topics/hyperkalaemia Chapters 00:00 The one-line answer 01:07 Meet the patient 01:56 Red flags 03:04 The severity bands — 5.5 and 6.5 are the numbers that matter 04:21 Who gets it — the cause review 05:15 The three-step ladder — resuscitation 06:21 Step 1 — Stabilise the membrane (calcium) 07:51 Step 3 — Remove total-body potassium (diuretic, binder, dialysis) 10:45 Defini…

• Duration 1:06Hyperkalaemia — Emergency dosing — the ladder on one card1 Sept 2026
• Duration 1:08Hyperkalaemia — Red flags1 Sept 2026