TCA Toxicity ECG Tool

TCA Toxicity – ECG Decision Aid

QRS/QTc assessment • Sodium bicarbonate indications • Dosing helper

QRS (ms)

QT (ms)

Heart rate (bpm)

SBP (mmHg)

pH (ABG/VBG)

K+ (mmol/L)

aVR terminal R ≥ 3 mm or R/S ≥ 0.7

Ventricular dysrhythmia

Seizure

Altered mental status

Hypotension/refractory shock

Reset

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