Table 1.
A. Drugs and Toxins |
1. Definite |
• Aminorex |
• Fenfluramine |
• Dexfenfluramine |
• Toxic rapeseed oil |
2. Very likely |
• Amphetamines |
• L-tryptophan |
3. Possible |
• Meta-amphetamines |
• Cocaine |
• Chemotherapeutic agents |
4. Unlikely |
• Antidepressants |
• Oral contraceptives |
• Estrogen therapy |
• Cigarette smoking |
B. Demographic and Medical Conditions |
1. Definite |
• Gender |
2. Possible |
• Pregnancy |
• Systemic hypertension |
3. Unlikely |
• Obesity |
C. Diseases |
1. Definite |
• HIV infection |
2. Very likely |
• Portal hypertension/liver disease |
• Collagen vascular diseases |
• Congenital systemic-pulmonary-cardiac shunts |
3. Possible |
• Thyroid disorders |