Table 2 Electrocardiographic changes and arrhythmia before, during and after therapeutic hypothermia
From: Electrocardiographic changes in therapeutic hypothermia
Before TH | During TH | After TH | |
|---|---|---|---|
Heart rate (beats/minute) | 95 ± 26 | 58 ± 15 | 87 ± 17 |
PQ duration (milliseconds) | 172 ± 45 | 175 ± 44 | 155 ± 34 |
QRS duration (milliseconds) | 103 ± 28 | 99 ± 21 | 89 ± 18 |
QTc (milliseconds) | 466 ± 54 | 498 ± 65 | 460 ± 55 |
LAFB | 14 | 7 | 6 |
Osborn waves | 0 | 24 | 2 |
ST elevation | 38 | 22 | 12 |
ST depression | 79 | 74 | 68 |
Right bundle branch block | 7 | 9 | 8 |
Left bundle branch block | 0 | 1 | 0 |
Q wave | 15 | 23 | 21 |
Atrial fibrillation | 16 | 4 | 4 |
Atrioventricular nodal rhythm | 6 | 3 | 3 |
Ventricular tachycardia/ventricular fibrillation | 6 | 1 | 0 |