Clinical Trials

Inclusion Criteria:

• Patients who are 18 years of age or older on the day of screening.
• Patients who are admitted to the hospital with a diagnosis of AHF.
• Included within this group are no more than 3 patients with a known history of atrial fibrillation.
• Patients who have an ejection fraction (EF) ≤ 35% as evidenced by an echocardiogram from the current index presentation or within the last 30 days.
• Patients who are able to be fit with a WCD within 24 hours (ideally within 6 hours) of hospital admission.
• Patients who are able to be fit in the WCD garment (26 to 56 inches measured circumferentially at the level of the xiphoid process).
• Patients who are willing to wear the WCD up to hospital discharge or for a maximum 7 days, whichever occurs first.
• Patients who are willing to continue wearing the WCD for 5 days post-discharge from the hospital.

Exclusion Criteria:

• Patients with evidence of pacing on their admission ECG.
• Patients with cardiac resynchronization therapy device.
• Patients with an implantable cardioverter defibrillator.
• Patients with left ventricular assistive device.
• Patients with heart transplant.
• Patients with acute myocardial infarction diagnosed in the emergency department or at admission.
• Patients who are currently on dialysis or who may undergo ultrafiltration during the index hospitalization.
• Patients who are pregnant.