Table 3 The frequency of ECG alterations possibly associated with hyperkalemia in normokalemic versus hyperkalemic patients. (*: p ≤ 0.05)
From: ECG alterations suggestive of hyperkalemia in normokalemic versus hyperkalemic patients
AF | ST depression | Short QTc | Prolonged QTc | ||
|---|---|---|---|---|---|
Control (n = 170) | % | 10.6% | 28.8% | 0.0% | 5.3% |
n | 18 | 49 | 0 | 9 | |
All hyperkalemia (n = 135) | % | 15.6% | 23.0% | 0.7% | 18.5%* |
n | 21 | 31 | 1 | 25 | |
Moderate hyperkalemia (n = 97) | % | 11.3% | 22.7% | 1.0% | 17.5%* |
n | 11 | 22 | 1 | 17 | |
Severe hyperkalemia (n = 38) | % | 26.3%* | 23.7% | 0.0% | 21.1%* |
n | 10 | 9 | 0 | 8 |