Acute kidney injury is a common complication of heat stroke and may be due to hypovolemia, low cardiac output, and myoglobinuria (from rhabdomyolysis). Patients may exhibit oliguria and a change in the color of urine.
Tachycardia to rates exceeding 130 beats/min is common. Symptoms of CNS dysfunction are present universally in persons with heat stroke. Symptoms may range from irritability to coma. Patients with heat stroke commonly exhibit tachypnea and hyperventilation caused by direct CNS stimulation, acidosis, or hypoxia.
For more on the physical examination of patients with heat stroke, read here.
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Cite this: Fast Five Quiz: Are You Familiar With Key Elements Regarding Heat Stroke? - Medscape - Aug 02, 2017.