| Cardiac | | Myocardial ischemia and infarction | | Myocarditis | | Endocarditis | | Heart failure | | Thoracic | | Pneumonitis | | Pleurodynia, Bornholm's disease | | Pulmonary embolism and infarction | | Pneumothorax | | Empyema | | Esophagitis | | Esophageal spasm | | Esophageal rupture (Boerhaave's syndrome) | | Neurologic | | Radiculitis: spinal cord or peripheral nerve tumors, degenerative arthritis of spine | | Abdominal epilepsy | | Tabes dorsalis (tertiary syphilis) | | Metabolic | | Uremia | | Diabetes mellitus (ketoacidosis) | | Porphyria | | Acute adrenal insufficiency | | Hyperlipidemia | | Hyperparathyroidism | | | Hematologic | | Sickle cell anemia | | Hemolytic anemia | | Henoch-Schönlein purpura | | Acute leukemia | | Toxins | | Hypersensitivity reactions: insect bites, reptile venoms | | Heavy metals and corrosives (eg, lead or iron) | | Infections | | Herpes zoster | | Osteomyelitis | | Typhoid fever | | Miscellaneous | | Muscular contusion, hematoma, or tumor | | Narcotic withdrawal | | Familial Mediterranean fever | | Psychiatric disorders | | Heat stroke | |
