CT Pulmonary Angiography (CTPA) as a sub-mSv modality

By Dr A Sauter This article summarizes a recent evaluation of a new iterative reconstruction algorithm for the detection/ rule-out of pulmonary embolism (PE) in ultra-low dose computed tomography pulmonary angiography (CTPA) Read More (/LiteratureRetriev  Read more

Study shows alcohol consumption has no effect on coronary arteries

By Dr J Karády Some previous studies have suggested that light alcohol consumption may actually reduce the risk for coronary artery disease (CAD). Now, in a study presented at the recent RSNA meeting by a group of researchers from Hungary they have shown that using coronary comp  Read more

Heart Disease Protein Also Linked to Brain Damage

By Dr MW Vernooij The serum levels of a protein ( NT-pro BNP) — already associated with heart disease — have now been found also to be linked to early-stage brain damage, according to a recent study [1]. Heart disease and brain disease exact a major burden on soc  Read more

The Linear No-Threshold assumption and its ALARA Principle: non-science that is inapplicable to medical imaging

By Dr J A Siegel, C W Pennington & Dr B Sacks The linear no-threshold assumption (hereinafter referred to as simply LNT) is the purported scientific basis for virtually all regulatory policies throughout the world involving exposure to ionizing radiation. In particular, those  Read more

Reducing dose with an automatic tube potential selection system: application to pediatric head CT scans in infants

By Dr B Morel, Dr A Bouëtté, Dr P Lévy, Dr G Antoni, Dr F Chalard, Dr E Blondiaux & Dr H Ducou Le Pointe This article summarises a recent study of the use of an Automatic Tube Potential System (ATPS) in CT scans of the head in pediatric patients. The results show  Read more

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