SA NODE 🏍ïļ āļ—āļ”āļĨāļ­āļ‡āđ€āļĨāđˆāļ™āļŠāļĨāđ‡āļ­āļ• āļ„āļđāđˆāļĄāļ·āļ­āļāļēāļĢāļžāļĒāļēāļšāļēāļĨ

āđāļšāļĢāļ™āļ”āđŒ: SA NODE

SA NODE   SA NODE sa node āļ— āļēāļŦāļ™āđ‰āļēāļ—āļĩāđˆāđ€āļ›āđ‡āļ™ pacemaker āļŦāļĨāļąāļāļ‚āļ­āļ‡āļŦāļąāļ§āđƒāļˆāļĄāļĩfiring rate 60 100 āļ„āļĢāļąāđ‰āļ‡āļ•āđˆāļ­āļ™āļēāļ—āļĩ av junction āļĄāļĩ firing rate 40 60 āļ„āļĢāļąāđ‰āļ‡āļ•āđˆāļ­āļ™āļēāļ—āļĩ ventricle (purkinje fibers) āļĄāļĩ

SA NODE āđ€āļ‹āļĨāļĨāđŒāļ‚āļ­āļ‡ sa node āļāļĢāļ°āļˆāļēāļĒāļ•āļąāļ§āļ­āļĒāļđāđˆāđƒāļ™āļ•āļēāļ‚āđˆāļēāļĒāļ‚āļ­āļ‡āđ€āļ™āļ·āđ‰āļ­āđ€āļĒāļ·āđˆāļ­āđ€āļāļĩāđˆāļĒāļ§āļžāļąāļ™ āļ‹āļķāđˆāļ‡āļ›āļĢāļ°āļāļ­āļšāļ”āđ‰āļ§āļĒ āđ€āļŠāđ‰āļ™āļ›āļĢāļ°āļŠāļēāļ— āļŦāļĨāļ­āļ”āđ€āļĨāļ·āļ­āļ” āļ„āļ­āļĨ āļĨāļēāđ€āļˆāļ™ āđāļĨāļ° āđ„āļ‚āļĄāļąāļ™ āđ€āļ‹āļĨāļĨāđŒāļžāļēāļĢāļēāđ‚āļ™āļ”āļąāļĨāļˆāļ°āļĨāđ‰āļ­āļĄāļĢāļ­ āđ‚āļ›āļĢāđ‚āļĄāļŠāļąāđˆāļ™āļŠāļĨāđ‡āļ­āļ•the sinoatrial node is an oval shaped region of special cardiac muscle in the upper back wall of the right atrium made up of cells known as pacemaker cells āđāļ›āļĨāđ‚āļ”āļĒ google · āļ”āļđāļ•āđ‰āļ™āļ‰āļšāļąāļš (english) sa node āļāļēāļāļ–āļ­āļ™āļĢāļ§āļ”āđ€āļĢāđ‡āļ§ the sinoatrial (sa) node represents the integrated activity of pacemaker cells, sometimes called p cells, in a compact region at the bigwin sa node āđāļ—āļ‡āļĄāļ§āļĒ

SA NODE the sa node is sometimes called the heart's “natural pacemaker ” when an electrical impulse is released from the sa node, it causes the heart's upper chambers āļāļēāļāļ–āļ­āļ™āļĢāļ§āļ”āđ€āļĢāđ‡āļ§ sa node āđ‚āļšāļ™āļąāļŠāļŸāļĢāļĩ an electrical stimulus is generated by the sinus node (also called the sinoatrial node, or sa node) this is a small āļ—āļ”āļĨāļ­āļ‡āđ€āļĨāđˆāļ™āļŸāļĢāļĩ sa node āđ€āļ§āđ‡āļšāļ•āļĢāļ‡100%

āļŋ1,047
āļŋ1,308 -20%
āļˆāļģāļ™āļ§āļ™
āļˆāļģāļŦāļ™āđˆāļēāļĒāđ‚āļ”āļĒ


Date Modified: 2024-10-08 10:02:34