Wearable health trackers reveal how accurate your smartwatch really is

	Cardiology
	The latest cardiology news from News Medical

	Wearable health trackers reveal how accurate your smartwatch really is Researchers compare the different health parameters measured by common wearable sensors used by consumers.

	AI scans arteries and predicts risk after heart attack better than traditional review Researchers found that AI applied to OCT imaging can standardize detection of thin-cap fibroatheroma (TCFA) and identify post–heart attack patients at higher two-year risk. Whole-segment AI analysis outperformed lesion-focused human review, offering stronger prognostic value and reassurance for low-risk patients.

			Advances in ultrasound improve prenatal detection of congenital heart disease A new study published in The Annals of Thoracic Surgery, the journal from The Society of Thoracic Surgeons, suggests that prenatal detection of congenital heart disease (CHD) has improved in recent years largely due to advances in ultrasound screening practices.

			Salt substitute use remains low among Americans with high blood pressure Few people with high blood pressure were using salt substitutes, even though they are a simple and effective way to lower sodium intake and manage blood pressure, according to preliminary research presented at the American Heart Association's Hypertension Scientific Sessions 2025.

			Intense light therapy boosts heart protection after surgery Intense light therapy after surgery can increase a critical protein that protects heart tissue while lowering levels of troponin, a protein indicating heart damage that's linked to higher mortality in patients undergoing non-cardiac surgery, according to a study by researchers at CU Anschutz.

	Intravenous cangrelor provides rapid platelet inhibition in cardiogenic shock Compared with crushed ticagrelor, intravenous cangrelor provided immediate, effective platelet inhibition, with no increase in major bleeding and lower mortality rates in patients with acute myocardial infarction and cardiogenic shock, according to late-breaking research presented in a Hot Line session today at ESC Congress 2025.

	Portable ultrasound improves diagnosis and patient outcomes When hospitalized patients struggle to breathe, doctors typically reach for their stethoscopes, but results from a Rutgers and RWJBarnabas Health clinical study in JAMA Network Open suggest they should diagnose the problem with portable ultrasounds instead.

	'Resistin like molecule gamma' punches holes into heart cells after myocardial infarction Nina Kumowski, MD, of the Department of Radiology and Center for Systems Biology at Massachusetts General Hospital, is the lead author and Matthias Nahrendorf, MD, PhD of the Department of Radiology and Center for Systems Biology at MGH, is the senior author of a paper published in Science, "Resistin-like molecule γ attacks cardiomyocyte membranes and promotes ventricular tachycardia."

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