ID.1
Item
hf patients with lv systolic dysfunction of ischemic or non-ischemic origin and an lvef <40% using nuclear ventriculography or echocardiography within the last 6 months.
boolean
ID.2
Item
attempts should have been made at optimizing medical therapy and the participant should be stable on these medications for at least 3 months.
boolean
ID.3
Item
patients with a 25(oh)d level between 10-25 ng/ml
boolean
ID.4
Item
inability to give informed consent
boolean
ID.5
Item
patients with sarcoidosis or other granulomatous disease that can alter vitamin d metabolism
boolean
ID.6
Item
patients with primary valvular hf, hypertrophic cardiomyopathy, and drug-induced hf
boolean
ID.7
Item
renal dysfunction defined as serum creatinine > 2.5 mg/dl
boolean
ID.8
Item
pregnant women
boolean
ID.9
Item
patients <18 years of age
boolean
ID.10
Item
patients on vitamin d supplementation
boolean