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Doctor insights on: Radiation And Echocardiograms

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Dr. Rick Koch
371 doctors shared insights

Echocardiogram (Definition)

Echo refers to reflections of sound waves, typically 0.5-10mhz, sent through a body structure, all variants of water density. Cardio refers to heart. Gram refers to a picture or graphical representation of the data. A form of us, these help see certain aspects of our hearts behavior/function, real-time in motion picture video. Quality & usefulness varies widely as ...Read more


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Why would you check the diaphragm during echocardiogram?

Respiratory function: This would allow the person reading the echocardiogram to determine if any respiratory difficulties might be due to diaphragmatic dysfunction. ...Read more

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During a routine echocardiogram, when they measure the rv diameter, do they also check for rv hypertrophy?

During a routine echocardiogram, when they measure the rv diameter, do they also check for rv hypertrophy?

Yes: A complete echo should include rv wall thickness, right sided abnormalities however are frequently missed on 2d-echocardiogram unless you are looking for them. ...Read more

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During routine echocardiogram, is the ejection fraction usually calculated using the m-mode estimate, or the 2d volume (tracing the lv) measurement?

During routine echocardiogram, is the ejection fraction usually calculated using the m-mode estimate, or the 2d volume (tracing the lv) measurement?

Either: Both methods are used. However, it is generally accepted that tracing the endocardial borders of the left ventricle at end systole and end diastole in two separate planes gives the best estimate of ejection fraction. When using only the m-mode tracing, there are many assumptions built into the estimate of ejection fraction that can challenge accuracy. ...Read more

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Why is it loud and squeaky during an echocardiogram? What does the sound represent?

Why is it loud and squeaky during an echocardiogram? What does the sound represent?

Doppler: That is the doppler part of the echocardiogram. The sound represents the flow of blood. You could get an idea of what the pictures look like by listening to that sound. How loud the sound is and whether it occurs during systole or diastole would give you a clue for istance, but most people interpreting the study just look at the images and don't pay much attention to those sounds. ...Read more

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No bubbles showed up in the heart during the bubble echocardiogram?

No bubbles showed up in the heart during the bubble echocardiogram?

Echo: We do bubble studies to identify abnormal flows. If peripherally injected bubbles don't show jo in the heart there is usually a technical problem. ...Read more

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During my echocardiogram the nurse also scanned over my abdomen (pulse present). Will the doc be able to confirm there is or isn't an Ab. aneurysm?

During my echocardiogram the nurse also scanned over my abdomen (pulse present). Will the doc be able to confirm there is or isn't an Ab. aneurysm?

Aneurysm: If they scanned the descending aorta, they will be able to determine the size and any distention. this finding would support a aneurysm, so the answer is yes. ...Read more

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Gamma Rays (Definition)

This is light of extremely short wavelengths typically produced either among the stars / in cosmic rays or by radioactive element decay. Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from ...Read more


Dr. Rick Koch
353 doctors shared insights

Cardiac Echo (Definition)

Cardiac echo is a somewhat redundant term for "echocardiogram." during this painless procedure, harmless sound waves are passed into the chest and reflected back, providing a detailed image of the heart, measures of the flow of blood within it, and information about certain structures which surround ...Read more