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Glossary

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encephalopathy – degenerative brain function or disease

Hypertension is the medical name for high blood pressure (BP). Blood pressure is measured as two numbers ie 120/80. The first number is systolic BP – the pressure when your heart beats. The second number is diastolic BP, which is the pressure when you heart rests between beats.

Target range for BP is usually 120/80. Drugs to reduce BP are sometimes recommended if this is above 130/85 or 140/90. This also depends on other risk factors for heart disease, including age, sex, ethnicity ajd other health factors.

Hypertension increases the risk of a heart attack or stroke, particularly when diastolic BP is high.

See: Hypotension (low blood pressure).

ritonavir – a protease inhibitor (PI) that is now used boost levels of some other  HIV drugs, especially other PIs.

ALT, alanine aminotransferase, also called serum glutamate pyruvate transaminase; SGPT)  – a key liver enzyme produced in liver cells. ALT is routinely monitored in HIVpositive people on ARVs to monitor liver toxicity from HIV drugs (or other medications). Increased ALT signals liver injury, but does not indicate how serious liver damage is.

Information on liver tests.

virology – the study of viruses.