Differential diagnosis
Common
Infrequent
- Pulmonary embolism
- Acute pyelonephritis
- Influenza
- Cocaine
- Supraventricular tachycardia
- Ascending cholangitis
- Alcohol withdrawal
- Graves' disease
- Acute respiratory distress syndrome
- Acute mesenteric ischaemia
- Ischaemic colitis
- Variceal haemorrhage
- Ruptured abdominal aortic aneurysm
- Bleeding peptic ulcer
- Pneumothorax
- Perforated peptic ulcer
- Ectopic pregnancy
- Dieulafoy lesion
Rare