Endocrine, nutritional, and metabolic diseases (E00-E90).
- Hypoglycemia (low blood sugar).
Cardiovascular system (I00-I99)
- Hypertensive encephalopathy – hypertensive emergency characterized by an increase in intracranial (within the skull) pressure with consequent intracranial pressure signs.
- Intracranial hemorrhage (bleeding within the skull; parenchymal, subarachnoid, sub- and epidural, and supra- and infratentorial hemorrhage)/intracerebral hemorrhage (ICB; cerebral hemorrhage), unspecified
- Sinus vein thrombosis (SVT)-occlusion of a cerebral sinus (large venous blood vessels of the brain arising from duraduplications) by a thrombus (blood clot); clinical presentation: headache, congestive papules, and epileptic seizures
- Subdural hematoma (SDH) – hematoma (bruise) between the dura mater and the arachnoid (spider membrane; middle meninges between the dura mater (hard meninges; outermost meninges) and the pia mater); clinical picture: uncharacteristic complaints such as a feeling of pressure in the head, cephalgia (headache), vertigo (dizziness), restriction or loss of orientation and concentration ability
Infectious and parasitic diseases (A00-B99).
- Lyme disease – infectious disease transmissible by ticks.
- Syphilis (Lues) – sexually transmitted infectious disease.
Neoplasms – tumor diseases (C00-D48)
- Brain tumors, unspecified
Psyche – nervous system (F00-F99; G00-G99).
- Meningitis (meningitis).
Environmental pollution – intoxications (poisoning).
- Intoxications (poisonings), unspecified.
