Table 1.

Serum electrolytes and venous blood gas analysis of 5 hypernatremic, scouring calves at presentation and after different stages of treatments

		Case 1				Case 2			Case 3		Case 4			Case 5
	Normal reference range (1)	On pres.	4 ha	24 ha	48 ha	On pres.	9 ha	24 ha	On pres.	4 ha	On pres.	12 ha	72 ha	On pres.	12 ha	72 ha
Na (mmol/L)	132–152	166	154	156	137	195	176	149	170	135	185	155	143	177	150	155
K (mmol/L)	3.9–5.8	4.3	3.0	3.6	2.9	12	6.1	4.4	4.5	3.4	5.1	4.3	3.9	6.5	5.2	4.4
Cl (mmol/L)	95–110	129	117	123	107	141	132	112	125	101	128	108	107	103	96	104
pH	7.35–7.50	7.0	7.1	7.2	7.3	7.1	7.3	7.3	7.0	7.1	7.0	7.1	7.3	7.3	7.3	7.3
(mm Hg)	34–45	44	49	45	43	42	46	48	72	59	55.3	42	51	77	71	50
pCO2 HCO3 (mmol/L)	20–30	11	14	18	22	14	20	23	16	18	14	14	25	38	37	22
TCO2 (mmol/L)	20–30	12	15	20	23	15	22	24	18	20	15	15	27	40	39	23

^aPost presentation

Pres. = presentation, Na = sodium, K = potassium, Cl = chloride, pCO₂ = carbon dioxide partial pressure, HCO₃ = bicarbonate ion, TCO₂ = total carbon dioxide content of a plasma sample