Glossary

secondary mutation – see minor mutation.

bradycardia is when the heart beats too slowly.

tachycardia refers to when the heart beats too fast.

See: arrhythmia

haemoglobin – substance in red blood cells that carries oxygen.

NASBA (nucleic acid sequence based amplification) – a type of viral load test.

opiate – a drug that comes from the opium poppy. Opiates include heroin, codeine and morphine.