E87.21

Clinical Causes: Severe infections or sepsis Intense physical activity or exercise Heart failure leading to decreased blood flow to tissues Liver failure Certain medications such as metformin, especially in kidney impairment Shock or severe trauma undergoing tissue hypoxia Chronic alcohol intake leading to lactic acid buildup Major surgeries or trauma Diabetic ketoacidosis (though distinct, it can sometimes lead to similar acidosis)

Key Symptoms: Rapid breathing or hyperventilation Confusion or drowsiness Weakness or fatigue Nausea and vomiting Abdominal pain Headache Muscle weakness In extreme cases, loss of consciousness

Diagnosis Path: Diagnosis involves blood tests that measure the pH level, bicarbonate levels, and the concentration of lactic acid. A blood gas analysis is crucial to evaluate the acid-base balance and determine the severity of the acidosis. Additional tests may include kidney function tests, blood glucose levels, and assessments for underlying causes such as infection or tissue hypoxia. Medical professionals also look for symptoms and medical history to confirm the diagnosis.

Treatment Protocols: Treatment aims to correct the acid-base imbalance and address the underlying cause. Measures may include administering intravenous fluids, correcting electrolyte imbalances, and providing oxygen therapy if necessary. In severe cases, medications to counteract acid buildup or dialysis might be employed. Managing the root cause—such as treating infections, stopping certain medications, or improving cardiac output—is essential for recovery.