Endocrine, nutritional, and metabolic diseases (E00-E90).
- In hyperglycemia (high blood sugar): think diabetes mellitus!
- Hyperthyroidism (hyperthyroidism).
Cardiovascular system (I00-I99)
- Apoplexy (stroke)
- Hypertensive encephalopathy – hypertensive emergency characterized by an increase in intracranial (within the skull) pressure with consequent intracranial pressure signs.
- Hypertensive crisis (blood pressure values > 230/120 mmHg) of other genesis.
- Intracranial hemorrhage (bleeding within the skull; parenchymal, subarachnoid, sub- and epidural, and supra- and infratentorial hemorrhage)/intracerebral hemorrhage (ICB; cerebral hemorrhage)
- Coronary artery disease (CAD; coronary artery disease).
- Renal artery stenosis (narrowing of the renal artery)
- Pseudopheochromocytoma – paroxysmal (intermittent) hypertension (high blood pressure) in which a pheochromocytoma has been ruled out
Neoplasms – tumor diseases (C00-D48).
- Other tumors of the adrenal gland, e.g., ganglioneuroma.
- Brain tumor
Psyche – nervous system (F00-F99; G00-G99)
- Amphetamine abuse
- Anxiety disorders
- Cluster headache
- Drug use such as cocaine abuse
- Migraine
- Munchausen syndrome – psychiatric clinical picture in which illnesses are faked in order to achieve a secondary gain of illness.
- Panic disorder