Table 1 In a total of 8 studies [1] on accidental and therapeutic hypothermia, QRS- and QTc-intervals were published from patients that could be categorized into normothermia and varying degrees of hypothermia. Human values are given as mean (weighted for number of patients)
From: A novel ECG-biomarker for cardiac arrest during hypothermia
Temperature | QRS mean (sec) | QTc mean (sec) | QRS/QTc | QTc/QRS | Patients n= | Included studies n= |
|---|---|---|---|---|---|---|
35–37 °C | 0,114 | 0,468 | 0,244 | 4,11 | 371 | 5 |
32–35 °C | 0,113 | 0,515 | 0,220 | 4,56 | 282 | 5 |
28–32 °C | 0,097 | 0,520 | 0,187 | 5,36 | 156 | 4 |
24–28 °C | 0,114 | 0,565 | 0,201 | 4,96 | 20 | 2 |
< 24 °C | 0,160 | 0,425 | 0,389 | 2,66 | 2 | 1 |