Table 1.

Contraindications for ICD in Cohort A

	Among 300 Sampled	Estimated number (percentage among low EF in Cohort A)
Total Confirmed EF ≤0.35	137	692 (100)
Total Contraindications	89	499 (72)
Newly diagnosed heart failure*	14	78 (11)
Died†	14	78 (11)
Recent MI‡, PCI/CABG§	12	78 (11)
DNR	11	58 (8)
Patient Refusal/ Reluctance	10	62 (9)
Non-compliance	8	27 (4)
Advanced cancer	6	45 (6)
Dementia	5	31 (4)
NYHA-I with non-ischemic disease	5	19 (3)
Primary Care Refusal	1	8 (1)
Awaiting kidney transplant	1	8 (1)
ICD offered but no follow-up	1	3 (<1)
Pregnancy	1	3 (<1)

^*Low EF study within 3 months of chart review.

^†Died within 3 months of low EF or chart review.

^‡Within 40 days of encounter.

^§Within 3 months of encounter.

ICD indicates implantable cardioverter-defibrillator; EF, left ventricular ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention; CABG, coronary artery bypass grafting; DNR, do not resuscitate; NYHA, New York Heart Association functional class.