ACE and hydrops fetalis: Patients with HF documented were more likely to have left ventricular function documented (HF documented vs. no: 59.3% vs. 32.4%, standardized difference 56.1%) and to be on beta blockers (87.4% vs. 70.9%, standardized difference 41.7%) but had similar use of ACE inhibitors/ARBs (74.8% vs. 73.4%, standardized difference 3.2%).