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What is an echocardiogram? 

A Holter monitor is a battery-operated portable device that measures and records your heart’s activity (ECG) continuously for 24 to 48 hours or longer depending on the type of monitoring used. The device is the size of a small camera. It has wires with silver dollar-sized electrodes that attach to your skin. The Holter monitor and other devices that record your ECG as you go about your daily activities are called ambulatory electrocardiograms.

Quick facts:

  • An echo uses sound waves to create pictures of your heart’s chambers, valves, walls and the blood vessels (aorta, arteries, veins) attached to your heart.

  • A probe called a transducer is passed over your chest. The probe produces sound waves that bounce off your heart and “echo” back to the probe. These waves are changed into pictures viewed on a video monitor. 

  • An echo can’t harm you. 

Why do people need an echo test? 

Your doctor may use an echo test to look at your heart’s structure and check how well your heart functions. The test helps your doctor find out: 

  • The size and shape of your heart, and the size, thickness and movement of your heart’s walls. 

  • How your heart moves.

  • The heart’s pumping strength.

  • If the heart valves are working correctly. 

  • If blood is leaking backwards through your heart valves (regurgitation). 

  • If the heart valves are too narrow (stenosis). 

  • If there is a tumor or infectious growth around your heart valves. 

The test also will help your doctor find out if there are:

  • Problems with the outer lining of your heart (the pericardium). 
  • Problems with the large blood vessels that enter and leave the heart. 
  • Blood clots in the chambers of your heart. 
  • Abnormal holes between the chambers of the heart. 


What is the risks? 

  • An echo can't harm you.
  • An echo doesn't hurt and has no side effects.

How do I prepare for the echo?

You don’t have to do anything special. You can eat and drink before the test like you usually would. 

What happens during the Echo?

Echo tests are done by specially trained technicians. You may have your test done in your doctor’s office, an emergency room, an operating room, a hospital clinic or a hospital room. The test takes about an hour. 

  • You lie on a table and a technician places small metal disks (electrodes) on your chest. The disks have wires that hook to an electrocardiograph machine. An electrocardiogram (ECG or EKG) keeps track of your heartbeat during your test. 
  • The room is dark so your technician can better see the video monitor. 
  • Your technician puts gel on your chest to help sound waves pass through your skin. 
  • Your technician may ask you to move or hold your breath briefly to get better pictures. 
  • The probe (transducer) is passed across your chest. The probe produces sound waves that bounce off your heart and “echo” back to the probe. 
  • The sound waves are change into pictures and displayed on a video monitor. The pictures on the video monitor are recorded so your doctor can look at them later. 

“The doctor had a portable machine that he brought to my hospital bed. He turned the camera and stopped it several times so he could show me the pictures of my heart. I could see my heart valves opening and closing.”  Jaycee, age 41 

What happens after the echo?

  • Your technician will help you clean the gel from your chest. 
  • Your doctor will talk with you after looking at your echo pictures and discuss what the pictures show. 


Chiefland Health Center
304 North Main Street
Chiefland, FL 32626
Phone: 352-605-7846
Fax: 352-261-0088

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