Reveal LINQ™ 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 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)