PMC4198018_01
Junctional bradycardia. Electrocardiogram (ECG) recording speed of 25 mm/s.
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An initial electrocardiogram (ECG) revealed junctional bradycardia with a heart rate of 35 beats per minute, PR interval which is not measurable, corrected QT interval of 386 milliseconds, QRS interval of 90 milliseconds, and QTc interval of 390 milliseconds (Figure 1).
Baseline ECG. ECG recording speed of 25 mm/s.
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Baseline ECG was normal sinus rhythm with a normal rate (Figure 2).
Telemetry rhythm strip showing sinus arrest with junctional escape rhythm at rate of 22 beats per minute.
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A few hours after admission, the patient became unresponsive and telemetry revealed severe junctional bradycardia and asystole (Figure 3).
The ECG shows normal sinus rhythm without any pacer spikes. ECG recording speed of 25 mm/s.
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After 24 hours of pacemaker placement, the ECG showed normal sinus rhythm with a normal rate with no pacer spikes (Figure 4).
The ECG shows normal sinus rhythm. ECG recording speed of 25 mm/s.
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We did another ECG after removal of pacemaker which revealed normal sinus rhythm with a heart rate of 65 beats per minute, PR interval of 201 milliseconds, QRS interval of 108 milliseconds, and QT interval of 387 milliseconds (Figure 5).