Patient's clinical data: This 12-lead ECG is from an adult patient of unknown age and gender (at the time of posting). Active medications included Atenolol. Patient's only complaints and symptoms were cramps and palpitations in the form of "an occasional extra beat". This ECG was the patient's initial "baseline". Based on what the patient's primary care provider (PCP) misinterpreted in this ECG, the patient ended up having an erroneous diagnosis listed among their "active proble
Isorhythmic A-V dissociation
This is one of five consecutive serial ECGs that I performed several years ago on a patient in our Outpatient ECG Lab. The patient was asymptomatic and the ECG was ordered as "Routine" by the patient's Primary Care Provider (PCP). I deliberately "froze" the tracing on the screen and captured this image because I wanted to show a transition on the ECG.
No clinical patient data available.
What does this tracing show? Choose the correct answer from the list below.