Lactic acidosis
Background
Most common cause of metabolic acidosis in hospitalized patients
DDX
- Type A
- Impaired tissue oxygenation
- Hypovolemia
- Cardiac failure
- Sepsis
- CO poisoning
- CN poisoning
- Impaired tissue oxygenation
- Type B
- No impaired tissue oxygenation
- Alcoholism
- Lactate utilization is impaired 2/2 impaired hepatic gluconeogenesis
- Liver disease
- Metformin
- Alcoholism
- No impaired tissue oxygenation