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1 lut 2024 · Learn how to identify and interpret the normal and abnormal heart sounds produced by the valves and chambers of the heart. Watch a video, read a blog post, and practice with tips and questions from MedStudy's Heart Sounds.
S4 — buty S4, podobnie jak S1, są wykonane z materiałów syntetycznych, zazwyczaj z gumy lub poliuretanu, co czyni je całkowicie wodoodpornymi. Są idealne do pracy w środowiskach, gdzie stopy są narażone na ekstremalne warunki mokre, takie jak prace w przemyśle spożywczym czy czyszczenie.
In healthy adults, there are two normal heart sounds, often described as a lub and a dub that occur in sequence with each heartbeat. These are the first heart sound (S 1) and second heart sound (S 2), produced by the closing of the atrioventricular valves and semilunar valves, respectively.
Learn how to listen to the heart sounds and murmurs with a stethoscope and interpret them for cardiac disorders. S1 and S2 are normal systolic sounds, while S3 and S4 are abnormal sounds that indicate heart failure or valvular disease.
S1 and S2 are high-pitched and S3 and S4 are low-pitched sounds. First sound. When the two ventricles contract and pump out blood into the aorta and pulmonary artery the mitral and tricuspid valves close to prevent the blood flowing back into the atria. The first sound S1 is generated by vibrations created by the closing of these two valves.
Learn about the four basic heart sounds (S1, S2, S3 and S4) and their causes, timing and clinical significance. S1 and S2 are produced by valve closure, S3 by ventricular filling, and S4 by atrial contraction.
S3 Heart Sound: Known as the 'ventricular gallop,' follows S2, often linked to heart failure or increased blood volume; considered normal in young or athletic individuals. S4 Heart Sound: Known as the 'atrial gallop,' occurs before S1, associated with a stiff or hypertrophic ventricle, often indicating cardiac pathologies.
