features of toxicity
Last reviewed 10/2022
Possible features include:
- arrhythmia: the most common arrhythmias are ventricular extrasystoles, ventricular bigeminy / trigeminy and atrial tachycardia with complete heart block
- anorexia, nausea and vomiting and occasionally, diarrhoea
- confusion especially in the elderly
- yellow vision (xanthopsia), blurred vision and photophobia