Category: Cardiology

Fractional flow reserve measures real pressure drops across arterial blockages to guide safer, smarter heart treatment decisions....

Learn what junctional rhythms are and what happens when the heart's backup pacemaker takes over. Know the symptoms and when...

Learn what causes sick sinus syndrome, why pulses alternate between racing and dangerously slow, and when to see a cardiologist...

Could your medication be putting your heart at risk? Learn why common prescriptions cause dangerous arrhythmias and when to see...

Could your EKG reveal a hidden heart risk? Learn how Brugada syndrome shows up on an EKG and when to...

Learn what supraventricular tachycardia is and how the modified Valsalva maneuver can calm a racing heart quickly and safely....

Learn how Wolff-Parkinson-White syndrome causes delta waves and short-circuit pathways in the heart, and when to see a cardiologist for...

A patent foramen ovale may help explain unexplained strokes. Learn how a tiny flap in the atria can matter and...

Constrictive pericarditis shows how a calcified heart sac limits cardiac filling. Learn the symptoms, causes, and when to see a...

Eisenmenger syndrome happens when untreated heart hole defects reverse blood flow. Learn the symptoms, risks, and when to see a...