title: Unpredictable response to nifedipine in severe cardiac failure.
mesh_terms: D006333:Heart Failure / Q000188:drug therapy*; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D007022:Hypotension / Q000139:chemically induced*; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000009:adverse effects* / Q000627:therapeutic use; D011725:Pyridines / Q000009:adverse effects*
chemical_list: D011725:Pyridines; D009543:Nifedipine