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  2. Transesophageal echocardiogram - Wikipedia

    en.wikipedia.org/wiki/Transesophageal_echocardiogram

    A specialized probe containing an ultrasound transducer at its tip is passed into the patient's esophagus. [1] This allows image and Doppler evaluation which can be recorded. It is commonly used during cardiac surgery and is an excellent modality for assessing the aorta, although there are some limitations. [2]

  3. Abdominal ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Abdominal_ultrasonography

    For this purpose, the standard aortic measurement for abdominal aortic aneurysm is between the outer margins of the aortic wall. [ 4 ] In cases of infectious mononucleosis , splenomegaly is a common symptom, and health care providers may consider using abdominal ultrasonography to get insight into a person's condition. [ 5 ]

  4. Echocardiography - Wikipedia

    en.wikipedia.org/wiki/Echocardiography

    Echocardiography, also known as cardiac ultrasound, is the use of ultrasound to examine the heart. It is a type of medical imaging , using standard ultrasound or Doppler ultrasound . [ 1 ] The visual image formed using this technique is called an echocardiogram , a cardiac echo , or simply an echo .

  5. Intracardiac echocardiogram - Wikipedia

    en.wikipedia.org/wiki/Intracardiac_echocardiogram

    The use of ICE is specialized and not intended for general echocardiography due to its cost and invasiveness. [1] [2] It is used as a part of a larger heart procedure.A typical use of ICE is for performing a transseptal puncture across the interatrial septum; in other words, pushing a catheter from the right atrium to the left atrium.

  6. Transthoracic echocardiogram - Wikipedia

    en.wikipedia.org/wiki/Transthoracic_echocardiogram

    A transthoracic echocardiogram (TTE) is the most common type of echocardiogram, which is a still or moving image of the internal parts of the heart using ultrasound.In this case, the probe (or ultrasonic transducer) is placed on the chest or abdomen of the subject to get various views of the heart.

  7. Intravascular ultrasound - Wikipedia

    en.wikipedia.org/wiki/Intravascular_ultrasound

    As the plaque burden increases, the lumen size will decrease and the degree of stenosis will increase. Perhaps the greatest contribution to understanding, so far, was achieved by clinical research trials completed in the United States in the late 1990s, using combined angiography and IVUS examination, to study which coronary lesions most ...

  8. Doppler ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Doppler_ultrasonography

    Absence of the portal system in a first trimester case associated with hygroma and aorto-umbilical fistula. (A): Transverse plane of the upper abdomen with color Doppler applied, showing umbilical cord insertion, stomach, the prominent hepatic artery and no afferent liver venous perfusion; (B): midsagittal plane reconstructed from a three-dimensional volume acquisition were the crown-rump ...

  9. Aortic valve area calculation - Wikipedia

    en.wikipedia.org/wiki/Aortic_valve_area_calculation

    In cardiology, aortic valve area calculation is an indirect method of determining the area of the aortic valve of the heart. The calculated aortic valve orifice area is currently one of the measures for evaluating the severity of aortic stenosis. A valve area of less than 1.0 cm 2 is considered to be severe aortic stenosis. [1] [2]

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