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High-pitch thoracic CT with simultaneous assessment of coronary arteries: effect of heart rate and heart rate variability on image quality and diagnostic accuracy

posted by Michael M. Lell, M.D. | Oct 18, 2011
Michael M. Lell, M.D.

We sought to evaluate the diagnostic accuracy of a new prospectively electrocardiogram (ECG)-triggered high-pitch scan mode for coronary CTA, which allows an effective dose of less than 1 mSv. Read more

High-pitch dual-source CT coronary angiography: systolic data acquisition at high heart rates

posted by Sebastian Leschka, M.D. | Feb 28, 2011
Sebastian Leschka, M.D.

To assess the effect of systolic data acquisition for ECG-triggered high-pitch CT on motion artefacts of coronary arteries in patients with high heart rates. Read more

Prospective and retrospective ECG-gating for CT coronary angiography perform similarly accurate at low heart rates

posted by Hatem Alkadhi, M.D. | Nov 22, 2010
Hatem Alkadhi, M.D.

Prospectively ECG-gated CTCA yields similar image quality, performs as accurately as retrospectively ECG-gated CTCA in patients having heart rates Read more

High-pitch DSCT angiography of the thoracic and abdominal aorta: is simultaneous coronary artery assessment possible?

posted by Hatem Alkadhi, M.D. | Sep 28, 2010
Hatem Alkadhi, M.D.

The purpose of this study was to prospectively evaluate the average heart rate and heart rate variability required for diagnostic imaging of the coronary arteries with high-pitch DSCT angiography of the thoracic and thoracoabdominal aorta. Read more

Quantitative parameters to compare image quality of non-invasive coronary angiography with 16-slice, 64-slice and DSCT

posted by Martin Heuschmid, M.D. | Jul 20, 2010
Martin Heuschmid, M.D.

The main advantage of DSCT lies with the heart rate independency, which might have a positive impact on the diagnostic accuracy. Read more

Dual-step prospective ECG-triggered 128-slice dual-source CT for evaluation of coronary arteries and cardiac function without heart rate control: a technical note.

posted by Hatem Alkadhi, M.D. | May 18, 2010
Hatem Alkadhi, M.D.

pECG(dual-step)128-slice DSCT is feasible for the evaluation of coronary arteries and cardiac function without heart rate control in patients in stable sinus rhythm at a low radiation dose. Read more

Dual Source CT in pediatrics

posted by Hyun Woo Goo, M.D. | Feb 8, 2010
Hyun Woo Goo, M.D.

Two interesting questions about CT in pediatrics have been asked on DSCT.com some time ago. As Dr. Hyun Woo Goo, who is an expert in pediatrics, recently joined the DSCT expert community, DSCT.com asked him to comment on these questions as well. Read his answers here. The following questions … Read more