Was it digoxin toxicity?...very likely.
Ruelaz
Robert A
RA
Rahimtoola
Shahbudin H
SH
D000806:Angiotensin-Converting Enzyme Inhibitors / Q000627:therapeutic use; D004077:Digoxin / Q000009:adverse effects* / Q000627:therapeutic use; D005260:Female; D006333:Heart Failure / Q000188:drug therapy / Q000401:mortality; D006801:Humans; D008297:Male; D015337:Multicenter Studies as Topic; D016032:Randomized Controlled Trials as Topic; D012737:Sex Factors; D016019:Survival Analysis; D018487:Ventricular Dysfunction, Left / Q000188:drug therapy
D000806:Angiotensin-Converting Enzyme Inhibitors; D004077:Digoxin