Ultrasounds and AI stethoscopes are incredible, but the lub-dub remains the ultimate bedside sonogram. A trained ear can detect subtle splitting, intensity changes, or extra sounds that predict heart failure, valve disease, or pulmonary hypertension—often before an echocardiogram confirms it. It’s the original bio-signature, non-invasive and instantaneous.
The classic lub-dub is healthy, but the heart has a richer vocabulary. A —a low-frequency “lub-dub- ta ”—can be normal in children or athletes but in adults often suggests volume overload (e.g., heart failure). Dubbed a ventricular gallop , it sounds like a horse’s canter. The fourth heart sound (S4) —“ ta -lub-dub”—is an atrial gallop, hinting at stiff ventricles from hypertension or scarring. And murmurs? Those are the heart’s whispers, whooshes, and hisses caused by turbulent blood flow through leaky or narrow valves.
My favorite song? The one playing inside my chest. 🎶
#HeartBeat #ScienceFacts #MedicalField #LubDub
The "dub" sound is caused by the closure of the aortic and pulmonary valves, which are located between the ventricles and the arteries that carry blood out of the heart. When the ventricles relax, these valves close, producing the "dub" sound.
Ultrasounds and AI stethoscopes are incredible, but the lub-dub remains the ultimate bedside sonogram. A trained ear can detect subtle splitting, intensity changes, or extra sounds that predict heart failure, valve disease, or pulmonary hypertension—often before an echocardiogram confirms it. It’s the original bio-signature, non-invasive and instantaneous.
The classic lub-dub is healthy, but the heart has a richer vocabulary. A —a low-frequency “lub-dub- ta ”—can be normal in children or athletes but in adults often suggests volume overload (e.g., heart failure). Dubbed a ventricular gallop , it sounds like a horse’s canter. The fourth heart sound (S4) —“ ta -lub-dub”—is an atrial gallop, hinting at stiff ventricles from hypertension or scarring. And murmurs? Those are the heart’s whispers, whooshes, and hisses caused by turbulent blood flow through leaky or narrow valves.
My favorite song? The one playing inside my chest. 🎶
#HeartBeat #ScienceFacts #MedicalField #LubDub
The "dub" sound is caused by the closure of the aortic and pulmonary valves, which are located between the ventricles and the arteries that carry blood out of the heart. When the ventricles relax, these valves close, producing the "dub" sound.
