这次我们来学习一下diseaseprimers上的急性心衰——
Acuteheartfailure(AHF)isasyndromecharacterizedbysignsandsymptomsofheartfailure(HF).
急性心力衰竭（急性心衰，AHF）是以心力衰竭（HF）的症状及体征为特征的一种综合征。
AHFcanoccurinindividualswithoutaprevioushistoryofHF(denovoHF(新发心衰))whenanew-onset(新发病的)cardiacdysfunctionissufficienttoinduceHForanunderlyingbutundiagnosedcardiacdysfunctionisworsenedbyoneormoreprecipitatingfactors.However,mostcasesofAHFoccurinpatientswithchronicHF(acutelyde