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Doctor insights on: How Does An Echocardiogram Function

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How does an echocardiogram function?

How does an echocardiogram function?

Doppler effect: The echocardiogram utilizes ultrasound and a principle called the doppler effect. Doppler effect means sound waves are reflected at different velocities and this information is electronically transformed to allow visualization of structural details and provide information about blood flow velocities. ...Read more

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Dr. Rick Koch
372 doctors shared insights

Cardiac Echo (Definition)

"shorthand" term for echocardiogram, an ...Read more


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How does an echo function?

How does an echo function?

Bounces sound waves: An echocardiogram is simply an ultrasound. Like any other ultrasound, including those used by fishing boats, the fundamental principle is to send high-frequency sound waves into the target (heart) and measure the time it takes to return to the transducer (echo). The resulting picture is a measure of the distance traveled and the physical properties of the material it passed through. ...Read more

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How does a defibrillator function?

How does a defibrillator function?

Electrical system: A defibrillator causes all myocardial (heart) cells to become depolarized at the same time. This extinguishes the abnormal arrhythmia, and allows the natural cardiac pacemaker to kick back in. This requires a large electrical current, to make sure all myocardial cells get activated at the same time. ...Read more

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How does an internal defibrillator function?

How does an internal defibrillator function?

Monitor: It monitor abnormally rapid atrial and ventricular rate with certain parameter and it will deliver a shock if it detects rapid ventricular tachycardia or fibrillation. ...Read more

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How does a discogram function?

How does a discogram function?

Necessay dx test: Confirms a target disc as the cause of your pain. It is a pre op procedure to confirm which disc hurts causing backache can't go off MRI appearance. Diagnostic test before fusion or replacement to treat back ache surgically. ...Read more

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How does a heart ultrasound work?

How does a heart ultrasound work?

Echocardiogram: Acoustic waves (in the mega-hz so they can't be heard) are sent from the probe and the time the reflected wave takes to return is measured. This is similar to sonar. For moving structures, like valves and blood, the machine takes advantage of the doppler effect (notice the change in tone of the train whistle as it passes a station) to measure velocities. ...Read more

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When does someone need an echocardiogram?

When does someone need an echocardiogram?

Ask your Doctor: Echocardiogram is an ultrasound exam of your heart. it looks at the heart valves, heart muscles, blood vessels, and how they function. The exam is used when the doctor things there may be a problem with your heart muscle, valves, or blood vessels. There are too many indications to list, but your doctor or a cardiologist can determine if you should get one. ...Read more

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How does an electrocardiogram work to figure out heart disease?

How does an electrocardiogram work to figure out  heart disease?

EKG: Ekg tells us the electrical activity from various ares of the heart. From that we can tel if there is heart block, slow or fast heart beats, or previous heart attacks. ...Read more

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How does an EEG work?

Electrical recording: In the same way an ekg measures electrical activity from the heart, an EEG measures activity from the brain. Electrodes are placed on the scalp and the patient lies quietly while brainwaves are recorded. Sometimes, hyperventilation and/or flashing lights are used to evoke different responses. It is important to relax, as electrical activity from muscle can swamp the signals from the brain. ...Read more

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How does a holter monitor work? And what conditions can it detect?

How does a holter monitor work? And what conditions can it detect?

Holter monitor: Worn continuously for 24-96 hours it records heart rhythm. Used to detect arrythmia. ...Read more

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How often does an echocardiogram test show an artifact vs real problem?

How often does an echocardiogram test show an artifact vs real problem?

Depends: Certain body types such as morbid obesity can cause poor images. Pts with COPD will also result in poor pictures as well. Some remenants from when we were in our moms uterus can also persist and be picked up on ultrasound. Most of the time its benign. Other types of artifacts may be due to technique of the technician and ofcourse the experience of the reader. ...Read more

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How long does an angiogram take to perform?

How long does an angiogram take to perform?

Variiable: It all depends on which vessels and the problems detected. Some vessels can be difficult to enter. ...Read more

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What does an abnormal liver function test mean?

What does an abnormal liver function test mean?

Abnormal LFT's: Elevated Liver function tests may occur for a variety of issues form Fatty infiltration (hepatic steatosis), viral illnesses such as the hepatitis viruses, Alcoholism, increased use of medications that metabolize through the liver (such as Acetaminophen), cirrhosis, biliary disease, gallbladder disease, etc, etc. Get an evaluation for the most likely cause if your LFT's are elevated. ...Read more

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How will i know what does an irregular liver function test really mean?

How will i know what does an irregular liver function test really mean?

Liver function tests: They usually called abnormal liver function tests.If the laboratory testing shows incresed level of liver tests .It may suggest some unc=derlying liver problem. ...Read more

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What does an echocardiogram do?

What does an echocardiogram do?

Images the heart: An echocardiogram uses ultrasound waves to deliver a set of moving images of the heart. It gives us a lot of information about the function (and the strength) of the heart, its valves and the blood flow through the chambers. ...Read more

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Can a cardiac MRI/MRA see blocked arteries ? And what does it show exactly?

Can a cardiac MRI/MRA see blocked arteries ? And what does it show exactly?

YES!!: A cardiac MRA was designed to show if there are "blocked" arteries... And it is never a replacement for an Angiogram ...Read more

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What does and/or will an echo gram detect?

What does and/or will an echo gram detect?

Good question: Electrocardiograph shows by the use of ultrasound (like what a bat uses to see ahead) to examine & measure structure and functioning of organs like the heart & to diagnose abnormalities & diseases. ...Read more

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How does a transesophageal echocardiogram procedure work?

How does a transesophageal echocardiogram procedure work?

TEE: A transesophageal echocardiogram (tee) uses ultrasound on a probe that can be easily slid down the throat and esophagus to lay immediately behind the heart. Because it is so close to the heart, very high resolution ultrasound images of the heart can be obtained. When a transthoracic echo (tte, or outside echo) doesn't show the heart structures, tee is very useful. ...Read more

Dr. Rick Koch
388 doctors shared insights

Echocardiogram (Definition)

Ultrasound ...Read more