Jun 4, 2025 · A pacemaker is a device used to control an irregular heart rhythm. A pacemaker has flexible wires called leads. The wires are placed in one or more chambers of the heart. They deliver …

Oct 29, 2024 · When the heartbeat is slower than the pacemaker rate, the sensing device turns the pacemaker on again. The sensors (electrodes) at the end of the wires (leads) detect abnormal …

Oct 16, 2025 · Pacemakers do not take over the work of the heart. Rather, a pacemaker helps regulate the timing and sequence of your heartbeat, as needed. After it is put in, the pacemaker monitors …

Jun 3, 2025 · A pacemaker is a small, battery-powered device implanted under the skin to help regulate abnormal heart rhythms. It sends electrical impulses to stimulate the heart when it beats too …

Sep 23, 2024 · When your heart rate drops below that set rate, your pacemaker generates (fires) an electrical impulse that passes through the lead to the heart muscle. This causes the heart muscle to …

Nov 13, 2025 · Living with a pacemaker involves a routine of follow-up care to ensure the device is functioning optimally. Patients require regular checkups with their cardiologist, often every three to …

Dec 7, 2025 · When the heart’s natural electrical system malfunctions, this implanted technology provides a reliable correction. It operates by delivering precisely timed, low-energy electrical …

Mar 24, 2022 · Pacemakers use low-energy electrical pulses to control the rate and rhythm of your heartbeat. Traditional pacemakers send the electrical pulses through wires, also known as leads.

What is a pacemaker? A pacemaker is a small device implanted in the chest to help control your heartbeat. It's used when the heart beats too quickly, too slowly or irregularly due to a heart attack, …

Understanding how pacemakers work means appreciating their vital role in preventing symptoms like dizziness, fatigue, and fainting that arise from slow or irregular heartbeats. Without this device, some …