Delayed cardiac arrest after hydrofluoric acid ingestion

Figures & data

Table 1. Laboratory measurements and QTc interval times during the admission.

Time after presentation (hours:minutes)	pH (7.35–7.45)	Potassium concentration (mmol/L) (3.5–5.0)	Ionized calcium concentration (mmol/L) (1.14–1.28)	Magnesium concentration (mmol/L) (0.70–1.00)	Phosphate concentration (mmol/L) (0.80–1.40)	QTc interval (ms)*	Calcium gluconate supplementation (intravenously)	Magnesium sulfate supplementation (intravenously)
0:01		3.7	0.49			530	1,000 mg
0:36	7.17	3.5	0.38			524	1,000 mg
1:34	7.16	3.9	0.37	0.37	1.31		1,000 mg	1,000 mg
1:57							500 mg/h continuous
2:56				0.76			500 mg/h continuous	2,000 mg
2:57							500 mg/h continuous	500 mg/h continuous
3:42	7.29	4.0	0.46				500 mg/h continuous	500 mg/h continuous
4:45				0.80			500 mg/h continuous	500 mg/h continuous
4:52	7.27	3.6	0.54				500 mg/h continuous	500 mg/h continuous
6:06	7.31	3.4	0.63			490	500 mg/h continuous	500 mg/h continuous
6:27	Ventricular fibrillation, defibrillated three times with 150 Joules
6:36	7.28	3.5	0.69			447	500 mg/h continuous	500 mg/h continuous
7:02							500 mg/h continuous	300 mg/h continuous
7:14				0.96		487	500 mg/h continuous	300 mg/h continuous
8:02	7.35	3.6	0.74				500 mg/h continuous	300 mg/h continuous
8:27				1.03	0.29		500 mg/h continuous	300 mg/h continuous
8:51	7.35	3.6	0.81		0.30		500 mg/h continuous	300 mg/h continuous
9:58	7.35	3.6	0.90				500 mg/h continuous	300 mg/h continuous
10:50	Ventricular fibrillation, defibrillated with 200 Joules
10:53	Ventricular fibrillation, defibrillated with 200 Joules
10:55							500 mg/h continuous	600 mg/h continuous
11:04	7.33	3.5	0.97				500 mg/h continuous	600 mg/h continuous
11:06							500 mg/h continuous	1,000 mg/h continuous
11:10				1.15	0.82		500 mg/h continuous	1,000 mg/h continuous
11:28							500 mg/h continuous	2,000 mg/h continuous
11:34	Ventricular fibrillation, defibrillated with 200 Joules
12:37	7.31	4.0	1.03				500 mg/h continuous	2,000 mg/h continuous
14:06	7.30	4.6	1.10				500 mg/h continuous	2,000 mg/h continuous
14:39				2.20	2.06		500 mg/h continuous	2,000 mg/h continuous
15:20	7.27	5.1	1.11				500 mg/h continuous	2,000 mg/h continuous
16:30	7.24	5.3	1.15				500 mg/h continuous	2,000 mg/h continuous
16:57	Transfer to an academic center

*Other conduction abnormalities were not observed. The corrected QT interval was calculated using the Bazett formula. Normal values for laboratory tests are shown in parentheses in each column.

Data availability statement

Data are available upon request.