Table 3.

The effect of Ca-gluconate on main rhythms pathologies caused by hyperkalemia

ECG main rhythm disorders due to hyperkalemia	Number of ECG pathologies			P
	Due to hyperkalaemia, n (100%)	After calcium gluconate, n (%)	Recovered with calcium gluconate, n (%)
First-degree AV block	31	29 (94)	2 (6)	0.500*
Second-degree AV block	3	3 (100)	0	1.000*
Third-degree AV block	4	3 (75)	1 (25)	1.000*
Sinus bradycardia	4	4 (100)	0	1.000*
Slow atrial fibrilation	4	4 (100)	0	1.000*
Sine-wave appearance	3	2 (67)	1 (33)	1.000*
Ventricular tachycardia	2	1 (50)	1 (1)	1.000*
Escape beats	18	15 (83)	3 (17)	0.250*
Right bundle block	3	2 (67)	1 (33)	1.000*
Left bundle block	5	5 (100)	0	1.000*
LAFB	2	2 (100)	0	1.000*
Total main rhythm disorders	79	70 (89)	9 (11)	0.004*

*Probability (P) value of McNemar test used to compare categorical variables in dependent groups (P<0.05). AV: Atrioventricular, LAFB: Left anterior fascicular block, ECG: Electrocardiogram