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Cardiology

All articles tagged with #cardiology

Cardiologists Debunk Cholesterol Myths as Misinformation Grows
health5 days ago

Cardiologists Debunk Cholesterol Myths as Misinformation Grows

Cardiologists are pushing back against rising online misinformation that questions the link between high LDL cholesterol and heart disease. While cardiovascular deaths have declined due to statins and smoking cessation, progress has stalled. Experts emphasize that high cholesterol is often asymptomatic, meaning individuals may feel healthy while plaque builds in arteries. Recent guidance highlights that standard lab ranges do not equal individual safety targets, and lifestyle changes alone may not suffice for high-risk patients. In India, the Cardiology Society recommends lipid screening from age 18, noting that cardiovascular disease manifests 10 to 15 years earlier in South Asian populations compared to Western groups.

Transplanted Hearts Adopt Host’s Biological Age, Challenging Donor Age Limits
health12 days ago

Transplanted Hearts Adopt Host’s Biological Age, Challenging Donor Age Limits

A new preprint study indicates that transplanted hearts rapidly adjust their biological age to match the recipient’s body, rather than retaining the donor’s age. This suggests that older donor hearts may be viable for younger recipients, potentially expanding the organ donor pool. The findings, based on mouse models and human biopsy data, show that the host’s systemic environment dictates the organ’s epigenetic aging markers, challenging current guidelines that prioritize younger donors.

New Heart Attack Guidelines Set Sex-Specific Troponin Thresholds to Improve Women's Diagnosis
health13 days ago

New Heart Attack Guidelines Set Sex-Specific Troponin Thresholds to Improve Women's Diagnosis

New international guidelines released in August 2026 mandate sex-specific cutoff points for cardiac troponin tests to improve heart attack diagnosis in women. The American Heart Association, American College of Cardiology, European Society of Cardiology, and World Heart Federation now define heart injury using lower troponin levels for women, as they often experience heart attacks at lower protein levels than men. This change aims to prevent missed diagnoses and premature discharges in emergency rooms. Additionally, the guidelines replace the old numbered system with a three-category framework: primary, secondary, and procedure-related heart attacks. This simplified classification is designed to make diagnoses more consistent and better reflect the underlying cause, such as a blocked artery versus a complication from a medical procedure or other health stressors.

Perimyocarditis Triggers MINOCA and Sudden Cardiac Arrest in a Healthy Young Man
cardiology19 days ago

Perimyocarditis Triggers MINOCA and Sudden Cardiac Arrest in a Healthy Young Man

A previously healthy 37-year-old man presented with chest pain, syncope, and ventricular fibrillation leading to cardiac arrest. He had extensive anterior ST elevations and markedly elevated troponins, but coronary angiography showed non-obstructive arteries, fitting MINOCA. Cardiac MRI demonstrated myocardial edema with non-ischemic late gadolinium enhancement and pericardial involvement, confirming perimyocarditis as the underlying cause. He required ICU support for cardiogenic shock but fully recovered left ventricular function (EF improved from about 32% to 57%) and was discharged on heart-failure therapy and NSAIDs with rehab, underscoring the diagnostic value of early cardiac MRI in MINOCA and the potential for complete recovery with timely treatment.

Global review finds women with the same conditions receive fewer active treatments
health22 days ago

Global review finds women with the same conditions receive fewer active treatments

A global review of 38 studies found women with the same health conditions as men are far less likely to be offered active treatments (surgery, stents, pain relief, statins) in conditions such as heart disease, kidney disease, and Parkinson’s, with 33 studies showing this disparity. Men were more likely to receive procedures like bypass or deep brain stimulation, while women faced longer catheter use in dialysis and less access to permanent options. No significant gaps were seen for stroke or diabetes, and dementia treatment favored women. The study suggests the gap isn’t due to different clinical needs or guidelines but potential bias and misattribution of women’s symptoms, urging clinicians to base decisions on clinical grounds.

Heart Needle Case: Self-Inserted Foreign Bodies Found in a Man with Intellectual Disability
health24 days ago

Heart Needle Case: Self-Inserted Foreign Bodies Found in a Man with Intellectual Disability

Doctors in China reported a 35-year-old intellectually disabled man with multiple self-inserted sewing needles scattered throughout his body, including a 36 mm needle that pierced the pericardium and sat inside the left ventricle. Surgeons removed the most dangerous needle near the heart while other needles were monitored, and the patient recovered and remained stable at nine months. The case, published in BMC Cardiovascular Disorders, underscores diagnostic challenges in patients with cognitive impairment and the importance of multimodal imaging for detecting cardiac foreign bodies—a rare finding with only a few dozen prior cases since the 1960s.

Promising Lp(a)–Lowering Drug Falls Short in Major Heart Trials
science29 days ago

Promising Lp(a)–Lowering Drug Falls Short in Major Heart Trials

Three companies tested drugs that dramatically lower the blood protein Lp(a) to prevent heart attacks and strokes. Novartis revealed that although the therapy reduced Lp(a) by up to 80%, it did not reduce cardiovascular events, a surprising setback that raises questions about whether Lp(a) is a causal factor or just a marker, with results from other trials still awaited at the upcoming American Heart Association meeting.

The hidden AF risk for midlife cyclists—and how to ride with it
health1 month ago

The hidden AF risk for midlife cyclists—and how to ride with it

Midlife endurance cyclists have a higher risk of atrial fibrillation (AF), a common heart rhythm disorder linked to decades of riding and an enlarged left atrium. AF can cause sudden drops in power and dizziness during rides, but it’s treatable with medications, rhythm-control strategies, and sometimes ablation. Prevention isn’t foolproof, but risk can be managed through moderate training, healthy weight and blood pressure, good sleep, limiting alcohol around workouts, and treating related conditions like sleep apnea.

Inhaled cannabis linked to a small drop in certain heart rhythm irregularities
health1 month ago

Inhaled cannabis linked to a small drop in certain heart rhythm irregularities

A randomized crossover trial of 108 adults who regularly used cannabis found that inhaling cannabis on 14 days reduced daily cardiac ectopy by about 9%, driven by fewer premature atrial contractions, with no significant changes in premature ventricular contractions, physical activity, sleep, or mean glucose; the effects are small, the study has limitations (imperfect adherence, varied cannabis products, young population with low ectopy), and researchers urge more research before any clinical implications are drawn.

Cardiologists Say CoQ10 Is Usually a Waste—Choose Diet, Exercise, Sleep Instead
health1 month ago

Cardiologists Say CoQ10 Is Usually a Waste—Choose Diet, Exercise, Sleep Instead

Cardiologists warn that CoQ10 supplements offer uncertain value for heart health and can interfere with medications like warfarin and diabetes drugs, making them a questionable use of time and money. They urge evidence-based lifestyle changes—eat a heart-healthy diet (Mediterranean/DASH), aim for at least 150 minutes of aerobic activity plus resistance training each week, and prioritize sleep—as more reliable ways to protect the heart, noting CoQ10 may have niche use only under medical supervision or in very specific deficiencies.