Acute heart failure with and without concomitant acute coronary syndromes: patient characteristics, management, and survival.

•Manifestation of AHF is more severe if AHF patient has concomitant ACS.•AHF patients with concomitant ACS receive more often AHF treatments.•Coronary procedures are used more often in AHF with concomitant ACS.•Concomitant ACS worsens short-term survival in acute heart failure.•Long-term survival is similar in AHF patients with and without concomitant ACS.