Yini esetshenziselwa?
I-electrocardiogram, noma i-ECG, uhlolo oluvame kakhulu olusetshenziswa odokotela ukuhlola isimo senhliziyo. I-ECG isetshenziselwa kakhulu ngoba ingahlola izimo ezihlukahlukene zenhliziyo, imishini ye-ECG itholakale kalula ezindaweni eziningi zokwelashwa, futhi ukuhlolwa kulula ukwenza, akuyona ingozi futhi kungabizi kakhulu.
Kwenzeka kanjani i-ECG?
Umuntu ophethe i-ECG ehamba phambili engu-12 ozohola uzolala etafuleni lokucubungula ngesifuba sakhe esiveziwe.
(Abesifazane bangagcina amabhande abo ngokujwayelekile.) Amanothi ayishumi (noma aholela) axhunyiwe - eyodwa ngakwesandla nangomlenze ngamunye, futhi ayisithupha esifubeni. .
Ama-electrode asetshenziselwa ukurekhoda umsebenzi kagesi wenhliziyo. Lezi zimpawu zombane zithunyelwa kumshini we-ECG, lapho zicutshungulwa khona, futhi zanyatheliswa njengendlela "yokulandelela kwe-ECG." Ama-electrode asuswe. Ukuhlolwa kwe-ECG kuthatha imizuzu engaphansi kwemi-5 ukwenza.
Kuyini Ukuhlolwa Kwe-ECG Kubukeka?
Isithombe esisekhasini sibonisa i- ECG evamile , evamile . Izimpawu zikagesi ezikhiqizwa kusukela ku-electrode ayishumi ziye zahanjiswa zibe "ukubukwa" okungu-12 komsebenzi kagesi wenhliziyo - okuthiwa i-ECG ehamba phambili engu-12. Ngokuhlola noma yikuphi okungajwayelekile ku-ECG, futhi ngokubheka ukuthi yini eholela kulokhu okungajwayelekile, udokotela angathola izici eziningi ezibalulekile mayelana nesimo senhliziyo.
Yikuphi Ukwaziswa Okungafundwa Ku-ECG?
Kusukela ekulandeleni kwe-ECG, ulwazi olulandelayo lunganqunywa:
- isilinganiso senhliziyo
- kungakhathaliseki ukuthi kukhona izinhliziyo zenhliziyo , njengezakhi zengculaza ezingakapheli noma i-fibrillation ye-atrial .
- kungakhathaliseki ukuthi kukhona "ukuziphatha okungajwayelekile" (okungavamile ukuthi umshini kagesi usakazeka kanjani enhliziyweni), njengesikhwama segatsha lesigxobo .
- kungakhathaliseki ukuthi kukhona yini uphawu lwe-infarction eqhubekayo noma engaphambili ye-myocardial
- kungakhathaliseki ukuthi kunezibonakaliso ezingaphezulu kwe- coronary artery disease (CAD)
- kungakhathaliseki ukuthi imisipha yenhliziyo iye yaqina ngendlela engavamile, njengokwelapha kwe- hypertrophic cardiomyopathy .
- kungakhathaliseki ukuthi kunezibonakaliso zokukhubazeka kagesi okuzalwa, njenge- Brugada syndrome .
Zonke lezi zici zingabalulekile. Ngenkathi i-ECG ingenza ukuxilongwa okucacile kwezinye izimo zenhliziyo (njenge-arrhythmia yenhliziyo), kuyasiza kaningi njengokuhlolwa kokuhlola. Ukungahleleki okubonwe ku-ECG kuvame ukulandelwa ukuhlolwa okucacile ukuze kutholakale ukuxilongwa okuqinile. Isibonelo, Uma i-ECG ibonisa i-CAD engenzeka, ukuhlolwa kokucindezeleka noma ukuphazamiseka kwengqondo kungadingeka. Uma kubonakala ukuthi i-hypertrophy ye-ventricular ibonakala, kudingeke ukuba i- echocardiogram ihlolwe isifo se-valvular (njenge- aortic stenosis ), noma ezinye izimo ezingavamile.
Yiziphi ukulinganiselwa kwe-ECG?
- I-ECG yembula isilinganiso senhliziyo nesigqi kuphela phakathi nemizuzwana embalwa kuthatha ukurekhoda i-ECG. Uma kuwukusolakala ukuthi i-arrhythmia ephakathi, ukuqapha kwe-ambulatory kungadingeka.
- I-ECG ingaba yinto evamile noma evamile ezigulini ezine-CAD ezingaziwa noma ezinye izinhlobo zesifo senhliziyo (imiphumela emibi engamanga.)
- "Ukungajwayelekile" okuningi okuvela ku-ECG kungabi naso ukubaluleka kwezokwelapha emva kokuhlolwa okuphelele kwenziwa (imiphumela emihle yamanga).
Kufanele Ube Nini I-ECG?
Kunengqondo ukuthi udokotela wakho enze i-ECG okokuqala ekuboneni, njengesifundo sokuqala. Lokhu kuhlolwa kungaqhathaniswa nesilingo esilandelayo ukuze ubone ukuthi ngabe kukhona ushintsho olwenzekile.
Kubuye kunengqondo ukwenza i-ECG njengengxenye yokuhlolwa konyaka wezempilo uma unesifo senhliziyo esikhathini esidlule, noma uma unesifo esiyinhloko esibangela isifo senhliziyo . Kodwa-ke, uma unempilo enhle futhi ungenayo ingozi enkulu yezici, ochwepheshe abaningi abangeke batusa "i-ECG" yonyaka minyaka yonke.
Imithombo :,
Kligfield P, Gettes LS, Bailey JJ, et al. Izincomo zohlelo nokuchazwa kwe-electrocardiogram: Ingxenye I: i-electrocardiogram kanye nobuchwepheshe bayo isitatimende sesayensi esivela ku-American Heart Association Electrocardiography kanye neKomidi le-Arrhythmias, uMkhandlu wezokwelapha zeMitholampilo; i-American College of Cardiology Foundation; kanye ne-Heart Rhythm Society eyamukelwa yi-International Society ye-Computerized Electrocardiology. J Am Coll Cardiol 2007; 49: 1109.