ECG Case 135
A single agent overdose causing AV blockade, QRS widening, and QT prolongation.... but reports of death only if QRS > 200ms. Which medication is this?
Tag QT Prolongation
Hypokalaemia
Hypokalaemia causes typical ECG changes of widespread ST depression, T wave inversion, and prominent U waves, predisposing to malignant ventricular arrhythmias
Hypomagnesaemia
Isolated low serum Mg levels are associated with atrial depolarisation and ventricular repolarisation abnormalities, predisposing to ventricular arrhythmias
Drugs Causing QT Prolongation
Drugs associated with QT Prolongation, QTc prolongation including Antipsychotics, antiarrhythmics, antidepressants, and antihistamines
ECG Case 101
51 yr old female who presented with chronic vomiting. She has a history of rheumatoid arthritis and paroxysmal atrial fibrillation. Her medications include sotalol and rivaroxaban.
ECG Case 096
29 yr old male presents complaining of vomiting, dizziness and felling 'vague'. Describe and interpret this ECG. LITFL Top 100 ECG
ECG Case 088
44 year old male with a history of non-complaint Type 1 diabetes. He has been found at home in a semi-conscious state. Describe and interpret this ECG. LITFL Top 100 ECG
ECG Case 069
18-year old female with severe traumatic brain injury, ICP 40mmHg. Fluctuating BPs. Describe and interpret her ECG
ECG Case 022
Post-intubation ECG of a young adult presenting with coma following a 6g quetiapine overdose Describe and interpret this ECG.
Quetiapine Toxicity
A classic toxicological ECG demonstrating the key electrophysiological changes seen with quetiapine overdose.
Hypothyroidism
ECG features of hypothyroidism (myxoedema) main triad: Bradycardia; Low QRS voltage; Widespread T-wave inversion