Radiocontrast Agent

The pulse oximeter, a device that measures the degree to which red blood cells are saturated with oxygen, is one of healthcare's most fundamental tools.

Also: New studies find commercial artificial intelligence algorithms developed for breast cancer detection may identify women at high risk of future malignancy – up to six years ahead of occurrence.

Decisions about who can benefit from additional screening and what screening modality is most appropriate are complex.

Cost-effectiveness shown over angiographic guidance for complete revascularization

Investigators say using diagnostic CT, rather than CT simulation, for palliative radiotherapy planning brings faster pain relief to patients and saves providers' time.

Atherosclerosis is characterized by the hardening of blood vessels, especially certain arteries, due to the local buildup of fibers and lipids (mainly cholesterol) in the inner wall of an artery, causing it to narrow. It is a complex disease that can trigger life-threatening events, such as myocardial infarction and ischemic stroke.

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A study in care homes found that preparing meals with potassium-enriched salt, instead of regular salt, lowered the blood pressure of people aged over 55 and reduced their risk of cardiovascular events, such as heart attacks and strokes

Bempedoic acid lowers cholesterol, and a study found a modest effect on cardiac illness. But whether patients are any more willing to take it remains to be seen, experts said.

Using a "neuroprotectant" drug alongside the standard surgical removal of a clot may slash the risk of death and disability following a stroke, a new study finds.

The TODAY anchor was hospitalized in November 2022.

Grant Wahl, the American soccer reporter who collapsed while covering the World Cup in Qatar last week, died of a ruptured aortic aneurysm.

PAD is a common condition in which narrowed arteries reduce blood flow to the arms or legs.

Scientists warn that the findings aren't yet clinically relevant but say the research raises ethical questions about the definition of death.

A type of contrast dye is in short supply due to a lockdown that hit a Shanghai plant where it is made. Hospitals have had to ration scans and procedures.

U.S. hospitals are running low on contrast dye injected into patients undergoing enhanced X-rays, CT scans and MRIs.

The shortage is expected to last 6 to 8 weeks, and US hospitals are working to minimize the effect of limited supplies on patient care.

Focusing on patients' medical history may help avoid diagnostic errors and cognitive biases

Infrared thermography aided in care decisions for acute ischemia

Non-enhanced CT scans rarely aid in the detection of haemorrhage but significantly increase the overall radiation exposure.