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8 paź 2024 · This is a classic ECG of digoxin toxicity showing atrial tachycardia (P waves at 150 bpm), high-grade 2nd degree AV block (A:V ratio of 4:1) with frequent premature ventricular complexes.
Digoxin toxicity is characterised by gastrointestinal distress, hyperkalemia and life-threatening dysryhthmias, including increased automaticity and AV nodal blockade. Digoxin has a narrow therapeutic index and chronic toxicity is more likely in the elderly and those with renal impairment.
.ECG showing accelerated junctional rhythm = dig toxicity and scooped st segments and short qt interval dig effect. protein bound, urinary excretion, inhibit...
8 paź 2024 · The ECG features of digoxin effect are seen with therapeutic doses of digoxin and are due to: Shortening of the atrial and ventricular refractory periods — producing a short QT interval with secondary repolarisation abnormalities affecting the ST segments, T waves and U waves.
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Digoxin ECG changes: arrhythmias, conduction defects and waveform changes. Digoxin may be used in patients with heart failure, atrial fibrillation, atrial flutter, and in selected cases of paroxysmal supraventricular tachycardia.
13 maj 2021 · interpretation of the “digoxin level” in intoxication with other cardiac glycosides For patients with non-digoxin glycosides, digoxin level may be used as a qualitative assay. A positive “digoxin level” may suggest the presence of a cardiac glycoside, but the exact level lacks clinical significance.
