Qhov Tseem Ceeb Qhov txawv - Sinus Arrest vs Sinus Block
SA node yog ib feem tseem ceeb ntawm kev coj ua ntawm lub plawv. Nws tsim hluav taws xob impulses uas kis thoob plaws hauv myocardium. Hauv sinus raug ntes, tiam no ntawm impulses nres vim muaj ntau yam pathological mob. Qhov tsis xws luag hauv kev sib kis ntawm impulses tsim nyob rau hauv SA node yog qhov ua rau sinus block. Raws li, nyob rau hauv lub sinus ntes, hluav taws xob impulses yog tsis zoo generated whereas nyob rau hauv lub sinus block, txawm hais tias tsis muaj teeb meem nrog kev tsim hluav taws xob teeb liab, cov teeb liab yuav tsis raug xa mus rau hauv myocardial hlwb. Nov yog qhov sib txawv tseem ceeb ntawm ob qho xwm txheej no.
Sinus Arrest yog dab tsi?
Sinus raug ntes yog vim qhov kev txiav txim siab tam sim ntawm lub cim ntawm impulses los ntawm SA node rau ntau tshaj 2 vib nas this. Vim tias tsis muaj hluav taws xob cov teeb liab los ntawm SA node, qhov contraction ntawm cov leeg plawv kuj nres. Yog li ntawd, cardiac outputs txo qhov ua rau poob ntawm cov ntshav siab ib yam nkaus. Yog tias tsis muaj kev txhawb nqa rau lub sijhawm ntau dua 6 vib nas this, cov txheej txheem xwm txheej ceev yuav tsum tau pib los tiv thaiv tus neeg mob txoj sia.
Caus
- Hypoxia
- Cov teebmeem ntawm qee yam tshuaj
Daim duab 01: ECG Hloov hauv Sinus Arrest
Kev tswj hwm
Yog tias muaj qhov nce ntawm qhov vagal stimulation, nws raug nquahu kom soj ntsuam tus neeg mob tsawg kawg ib hnub es tsis txhob dhia mus rau hauv kev kho mob sai. Txhua yam kab mob hauv qab yuav tsum tau kho kom zoo.
Sinus Block yog dab tsi?
Nyob rau qee qhov tsis tshua muaj, qhov nkag ntawm lub zog los ntawm sinoatrial node (SA node) rau hauv cov leeg nqaij atrial raug thaiv. Qhov no yog kho tau raws li ib tug sinus block. Nyob rau hauv ib qho ECG tus mob no yog tus cwj pwm los ntawm qhov tsis muaj P nthwv dej uas yog nrog los ntawm kev so ntawm cov leeg atrial. Tab sis kuj ceeb tias, vim tsis muaj impulses propagating ntawm SA node, AV node pib tsim nws tus kheej impulses. Qhov no ua rau kev sib cog lus ntawm ventricles nyob rau hauv qeeb tab sis khov kho atherosclerosis ua rau lub sijhawm ntev tab sis tsis hloov pauv QRS complex.
Muaj peb pawg tseem ceeb ntawm qhov thaiv qhov thaiv uas yog,
First-degree Sinus Block
Muaj qeeb hauv kev xa cov impulses mus rau hauv atria, tab sis tsis muaj impulses raug thaiv. Qhov no tsis tsim cov ECG hloov pauv.
Second-degree Sinus Block
Cov qib thib ob tau muab faib ua ob pawg,
Type I
Tseem maj mam nce ntxiv nyob rau lub sijhawm nruab nrab ntawm cov tiam ntawm impulses thiab lawv propagation rau hauv atria uas thaum kawg ua rau cov blockage ntawm impulse dhau mus rau atria.
Type II
Lub sijhawm sib txawv ntawm cov tiam ntawm impulses thiab lawv propagation mus rau atria yog ntev, tab sis nws tseem nyob twj ywm. Ib ntus impulse tau ploj mus yam tsis tau kis mus rau atria.
Third-degree Sinus Block
Tsis muaj ib qho ntawm cov impulses raug coj mus rau hauv lub atria.
Cas of Sinus Block
- Sick sinus syndrome
- Ntxhais vagal stimulation
- mob plawv thiab myocardial infarction
- Siv digoxin thiab beta blockers
Daim duab 02: ECG Hloov hauv Sinus Block
Cov yam ntxwv kho mob muaj xws li bradycardia thiab cov uas vim qhov txo qis hauv plawv xws li qaug zog thiab faintishness.
Symptomatic sinus block yuav tsum tau kho los ntawm implantation ntawm ib tug dag pacemaker.
Dab tsi zoo sib xws ntawm Sinus Arrest thiab Sinus Block?
- Nyob rau hauv ob qho xwm txheej, muaj qhov cuam tshuam ntawm hluav taws xob ua haujlwm ntawm lub plawv.
- Cov tsos mob ib txwm muaj ntawm sinus ntes thiab sinus block yog bradycardia, qaug zog, faintishness
Qhov txawv ntawm Sinus Arrest thiab Sinus Block yog dab tsi?
Sinus Arrest vs Sinus Block |
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| Sinus ntes yog vim tam sim no ntawm kev tsim cov impulses los ntawm SA node rau ntau tshaj 2 s. | Sinus thaiv yog vim qhov thaiv ntawm kev xa tawm ntawm impulses los ntawm SA node mus rau atria. |
| SA node | |
| Impulses tsis tsim los ntawm SA node. | Impulses yog tsim los ntawm SA node. |
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Sinus ntes yog vim,
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Ua rau sinus thaiv yog,
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| Yog tias muaj qhov nce ntawm qhov vagal stimulation, tus neeg mob yuav tsum tau soj ntsuam tsawg kawg ib hnub. Txhua yam kab mob hauv qab yuav tsum tau kho kom zoo. | Symptomatic sinus block yuav tsum tau kho los ntawm implantation ntawm ib tug dag pacemaker. |
Summary – Sinus Arrest vs Sinus Block
Sinus raug ntes thiab qhov thaiv qhov ntswg yog ob yam xwm txheej uas yog vim qhov ua tsis taus ntawm SA node. Lub sinus raug ntes yog vim qhov kev tso tseg ntawm kev tua ntawm SA node whereas sinus block yog vim lub blockage ntawm hluav taws xob impulses generated los ntawm SA node. Yog li qhov sib txawv ntawm ob qho xwm txheej no yog, hauv qhov ntswg ntes cov kab mob yog nyob rau hauv lub cim ntawm hluav taws xob impulses tab sis nyob rau hauv sinus block, pathology nyob rau hauv lawv kis.
Download the PDF Version of Sinus Arrest vs Sinus Block
Koj tuaj yeem rub tawm PDF version ntawm kab lus no thiab siv nws rau offline hom phiaj raws li daim ntawv ceeb toom. Thov download PDF version ntawm no Qhov txawv Ntawm Sinus Arrest thiab Sinus Block
