No clinical patient data available for this 12-lead ECG.
What does this tracing show? Choose the correct answer from the list below.
(1.) Sinus bradycardia with atrial bigeminy; conducted APBs; prominent U-waves; RBBB (2.) Sinus rhythm with 3:2 and 2:1 Type II AV block; RBBB (3.) Sinus rhythm with atrial bigeminy; both conducted and nonconducted APBs; RBBB
Patient's clinical data: 76-year-old white man admitted to the ICU.
Hint: In Fig. 2, there is an extremely subtle clue on that ECG that I almost didn't notice. Laddergrams will be provided for both of these as the end of the week.