Can ACE-I Be a Silent Killer While Normal Renal Functions Falsely Secure Us?

Table 1

Arterial blood gases following induction of anaesthesia and till discharge from the recovery unit.

ABG	11:20	13:14	13:39	14:20	14:51	15:37	17:16
pH	7.38	7.32	7.33	7.31	7.30	7.31	7.37
PCO2 (kPa)	5.5	6.2	6	5.9	6.1	6.2	5.5
PO2 (kPa)	12.5	20.8	22.3	26	20.8	15.5	11.7
sO2 (%)	95	97	98	98	98	98	95
Base Excess(mmol/L)	0	-2	-2	-4	-4	-3	-1
Standard Bicarbonate (mmol/L)	24	23	23	21	21	22	23
Actual Bicarbonate (mmo/L)	25	24	24	22	22	23	24
Total haemoglobin (g/dl)	12.9	13	12.9	11	9.8	10.4	10.5
Carboxyhaemoglobin (%)	0.2	0.1	0.2	0.5	0.6	1.2	0.7
Whole blood glucose (mmol/L)	5.9	7.1	8	16.9	9.2	7.2	8.9
Methaemoglobin (%)	1.5	1.5	1.6	1.6	1.8	1.9	1.8
Sodium (mmol/L)	139	137	136	133	138	138	138
Potassium (mmol/L)	4.2	6.1	6.5	4.6	4.0	4.1	3.8
Lactate (mmol/L)	0.7	0.8	1.0	1.5	1.8	2.0	0.7