Portable device is used for monitoring the rhythm of heart to diagnose arrhythmias, inadequate coronary arterial blood flow (Unstable angina), unexplained fainting spells and electrolyte disturbance (Hyperkalemia and Hyperkalemia).
A Holter monitor or Ambulatory ECG or Continuous heart rate monitor is a small battery-operated device that records your heart rate and rhythm continuously for 24 hours or longer (upto 5 days) on the go, while you do your routine activities.
The device is the size of a small camera and weighs just 13 grams. It has thin wires with coin-sized electrodes that attach to your skin.