Fatal Nonhepatic Hyperammonemia in ICU Setting: A Rare but Serious Complication following Bariatric Surgery

Table 1

Basic laboratory investigations.

Lab. test	Results	Ref. range
WBC	8.34	4.5–10.9 k/μL
Hb	5.4	12.5–15.0 g/dL
Platelets	116	130–400 k/μL
Sodium	136	135–145 mmol/L
Potassium	4.8	3.6–5.2 mmol/L
BUN	11	6–21 mg/dL
Creatinine	2.1	0.6–1.1 mg/dL
Glucose	113	70–140 mg/dL
INR	2.15	0.8–1.2
aPTT	67.5	28–38 sec
CPK	466	22–198 IU/L
AST	49	13–40 IU/L
ALT	23	17–35 IU/L
ALP	116	37–130 U/L
Albumin	1.8	3.5–5.0 g/dL
Prealbumin	<5	20–40 μg/dL
HDL	<5	>50 mg/dL
LDL	95	<100 mg/dL
TG	133	<150 mg/dL
S.	193	<30 μmol/L
P. zinc	23	60–130 μg/dL
S. copper	57	70–175 μg/dL
24 hr U. Cu	25	15–60 μg/24 hr
Valproate	<1.0	50–100 μg/mL
Lithium	<0.1	0.8–1.2 mmol/L

WBC: white blood cells; Hb: hemoglobin; BUN: blood urea nitrogen; PT: prothrombin time; INR: international normalized ratio; aPTT: activated partial thrombin time; CPK: creatinine phosphokinase; AST/ALT: aspartate/alanine aminotransferase; ALP: alkaline phosphatase; HDL: high-density lipoprotein; LDL: low-density lipoprotein; TG: triglycerides; P.: plasma; S.: serum.