Vignette: A 70 yo is admitted due to dizziness. What
is your ECG interpretation?
Figure 1 - ECG
case
The rhythm is sinus with an atrial rate of about 65
bpm and the ventricular rate of about 34 bpm. The PRI is 0.28 s and the QRS is
0.12 sec. There are 2 P wave for every 1 QRS (Figure 2).
Figure 2 - P
waves marked with red arrows

