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Laboratory findings in hypothermia

Laboratory findings in hypothermia
Arterial blood gas Metabolic acidosis, respiratory alkalosis, or both
Electrolytes No consistent abnormality
Glucose Increased, decreased, or no change
White blood cell and platelets counts Decreased due to splenic sequestration
Hemoglobin, hematocrit Increased due to hemoconcentration
Lipase May be increased due to hypothermia-induced pancreatitis
Prothrombin and partial thromboplastin times Increased in vivo due to inhibition of coagulation cascade, despite normal reported values
Electrocardiogram Prolongation of PR, QRS, QT intervals
ST segment elevation
T wave inversions; Osborn J wave
Atrial fibrillation or sinus bradycardia
Chest radiograph Aspiration pneumonia, vascular congestion, pulmonary edema
Lab_findings_in_hypothermia.htm
Redrawn from: Mechem CC. Hypothermia and hyperthermia. In: The Intensive Care Unit Manual, Lanken PN, Manaker S, Hanson CW III (Eds), WB Saunders, Philadelphia 2000. p.627.
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