Search results
Results from the WOW.Com Content Network
English: Real-time MRI of a human heart (short-axis view) at 1.5 mm spatial resolution and 33 ms temporal resolution. The T1-weighted images were acquired with an RF-spoiled radial FLASH sequence (TR/TE = 2.2/1.4 ms, flip angle 8°, 15 spokes) at 1.5 mm resolution, 8 mm section thickness, and 33 ms acquisition time without ECG or respiratory ...
Initial attempts to image the heart were confounded by respiratory and cardiac motion, solved by using cardiac ECG gating, faster scan techniques and breath hold imaging. Increasingly sophisticated techniques were developed including cine imaging and techniques to characterise heart muscle as normal or abnormal (fat infiltration, oedematous ...
English: Real-time MRI of a human heart (2-chamber view) at 2.0 mm spatial resolution and 22 ms temporal resolution. The T1-weighted images were acquired with an RF-spoiled radial FLASH CMR sequence (TR/TE = 2.0/1.3 ms, flip angle 8°, 11 spokes) at 2.0 mm resolution, 8 mm section thickness, and 22 ms acquisition time without ECG or respiratory ...
In most cases, the diagnosis is based on clinical history, echocardiography, a CT scan or an MRI scan. [8] Cardiac tumours are often first diagnosed after the patient has had a stroke or an embolism caused by detached tumour tissue. [9]
The Cancer Imaging Archive (TCIA) is an open-access database of medical images for cancer research. The site is funded by the National Cancer Institute's (NCI) Cancer Imaging Program, and the contract is operated by the University of Arkansas for Medical Sciences. Data within the archive is organized into collections which typically share a ...
Researchers say MRI scans can more accurately detect heart disease in women, leading to earlier diagnosis and more effective treatments Heart disease: How MRI scans may more accurately detect the ...
Apical four chamber ultrasound view of heart. Transthoracic echocardiography (TTE) uses ultrasonic waves for continuous heart chamber and blood movement visualization. It is the most commonly used imaging tool for diagnosing heart problems, as it allows non-invasive visualization of the heart and the blood flow through the heart, using a technique known as Doppler.
1977/1978 - Raymond Damadian built the first MRI scanner and achieved the first MRI scan of a healthy human body (1977) with the intent of diagnosing cancer. [4] Additionally, Peter Mansfield develops the echo-planar technique, producing images in seconds and becoming the basis for fast MRIs. [5] 1983 - Introduction of the k-space by D B Twieg [6]