Key result
Maintenance digitalis manifests as AV dissociation with an idioventricular escape rhythm.
Case Report (n=1)
May refine ECG interpretation of complex bradyarrhythmias; leaves open effects on pacing decisions.
rhythm; and (2) the association with a ventricular escape rhythm. CASE REPORTSCase 1.The electrocardiogram (Fig. 1, a continuous tracing of lead V1) was recorded from a 56-year-old African (negro) woman with hypertension who was on maintenance digitalis.The second strip shows AV dissociation between normal sinus rhythm and an idio- ventricular escape rhythm.The P waves bear no relation to the QRS complexes which have a right bundle- branch block pattern.The PP intervals of the entire tracing range from 69 to 77*, representing a sinus rate of 78 to 87 a minute.The RR intervals of the ventricular * All time intervals are expressed in hundredths of a second.
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L Schamroth (1969) conducted a case report in 2:1 AV block with interference dissociation (n=1). Maintenance digitalis was evaluated on Electrocardiographic findings. An electrocardiogram of a 56-year-old woman on maintenance digitalis demonstrated AV dissociation between normal sinus rhythm and an idioventricular escape rhythm.
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