Portable heart rate monitor for heart failure patient

The invention relates to the field of heart rate monitoring devices, and discloses a portable heart rate monitor for a heart failure patient, which comprises a wearing component and a monitoring component, the wearing component is used for self-adapting to the thickness of the arm of the patient and is worn on the arm of the patient, and the monitoring component is used for monitoring the body of the patient. The wearable component comprises a mounting ring, clamping plates slidably mounted in the mounting ring in the radial direction of the mounting ring and a driving assembly driving the clamping plates to move, the multiple clamping plates are arranged in the circumferential direction of the mounting ring in an array mode, the clamping plates are in an arc plate shape with the axis parallel to the axis of the mounting ring, and ribs are arranged on the inner circle faces of the clamping plates. An included angle is formed between the extending direction of the ribs and the axis of the clamping plate, the m