Which symptoms are indicative of RTA?

1. Metabolic acidosis

- Low serum bicarbonate (<22 mEq/L)

- Arterial pH <7.35

- Negative base excess

- Anion gap >10 mEq/L

2. Elevated serum creatinine

- Oliguria or anuria

3. Hyperkalemia

4. Hypotension

5. Mental confusion or coma

6. Cardiovascular collapse