Reveal LINQâ„¢ Heart Failure

Inclusion Criteria:

Patient is 18 years of age or older
Patient (or patient's legally authorized representative) is willing and able to provide written informed consent
Patient is willing and able to comply with the protocol, including follow-up visits and CareLink transmissions
Patient is NYHA Class III, per most recent assessment or at any time within 30 days prior to enrollment

Patient had a HF event (HF event defined as meeting any one of the following three criteria):

Admission with primary diagnosis of HF within the last 6 months, OR

Intravenous HF therapy (e.g. IV diuretics/vasodilators) or ultrafiltration at any one of the following settings within the last 6 months:

Admission with secondary/tertiary diagnosis of HF
Emergency Department
Ambulance
Observation Unit
Urgent Care
HF/Cardiology Clinic
Patient's Home, OR
Patient had the following BNP/NTpro-BNP within the last 3 months: If EF ≥ 50%, then BNP> 200 pg/ml or NTpro-BNP > 400 pg/ml OR If EF <50%, then BNP> 400 pg/ml or NTpro-BNP > 800 pg/ml

Exclusion Criteria:

Patient is pregnant (all females of child-bearing potential must have a negative pregnancy test within 1 week of enrollment)
Patient is enrolled in another study that could confound the results of this study, without documented pre-approval from a Medtronic study manager
Patient has severe valvular heart disease as defined by hemodynamically significant valve stenosis and/or prosthetic heart valve
Patient has existing IPG, ICD, CRT-D or CRT-P device
Patient has severe renal impairment (eGFR <25mL/min)