KhUNRAVI, az raghoi khungard shoridani khunro guyand, ki dar natijai zakhmdorshavi yo bemori oseb yoftaand. Hangomi Xunravi rangi pust va pardahoi luobi parida, cap charkh mezanad, bemadori, nafaskutohi, tashnagi zohir meshavad; hangomi Xunravi fishori arteriyavi past va nabz sust meshavad. Yakbora ba miqdori ziyod (25% hajmi khun) khun raftan khatarnok buda, boisi behushi megardad. Xunravi dar shakhsone, ki ba aterosklerozi ragho giriftorand, der va bo dushvori qat meshavad. Baroi muvaqqatan bozdoshtani Xunravi bo ragband yo doka joi zakhmro basta, az doruhoi ragtangkunanda, yakh, isfanjhoi khunshakhnunanda istifoda mebarand. Aksar vaqt in guna tadbirho ba qatiyan bardoshtani Xunravi kifoya ast, dar aksi hol baroi qatiyan bozdoshtani Xunravi usulhoi jarrohiya (bastani pag. dukhtan, burida partoftani uzv yo qismi illatnoki on)-ro ba kor mebarand. Hangomi Xunravi istifodai mahlulu moddahoi khunivazkunanda, ki bastani khunro metezonand va khunguzaroni zarur ast.