1. Mitezo inotungamira
Kusanganisira yakajairika nhengo inotungamira I, II, uye III uye compression unipolar limb inotungamira aVR, aVL, uye aVF.
(1) Mutobvu wakajairwa wemakumbo: inozivikanwawo sebipolar lead, iyo inoratidza mutsauko unokwanisa pakati pemakumbo maviri aya.
(2) Yakamanikidzwa unipolar lemb lead: mumagetsi maviri, electrode imwe chete inoratidza kugona, uye kugona kweimwe electrode yakaenzana ne zero.Panguva ino, iyo amplitude yeiyo waveform yakaumbwa idiki, saka kudzvanywa kunoshandiswa kuwedzera iyo yakayerwa mukana wekuonekwa nyore.
(3) Kana uchitsvaga ECG pakiriniki, pane 4 mavara emakumbo anotungamira probe maelectrodes, uye nzvimbo dzawo dzekuisa ndeidzi: electrode dzvuku iri paruoko rwerudyi chepamusoro, iyo yero electrode iri paruoko rwekuruboshwe kumusoro. nhengo, uye electrode yakasvibirira iri patsoka nechiziso chegumbo rezasi rekuruboshwe.Electrode nhema inowanikwa pachitsiko chegumbo rezasi rekurudyi.
2. Chipfuva chinotungamira
Iyo inotungamira unipolar, inosanganisira inotungamira V1 kusvika V6.Panguva yekuyedzwa, electrode yakanaka inofanira kuiswa pachikamu chakatarwa chemadziro echipfuva, uye maelectrodes matatu emutobvu wenhengo anofanirwa kubatanidzwa kune negative electrode kuburikidza ne5K resistor kuti iite central magetsi terminal.
Panguva yekuongororwa kweECG, 12 inotungamira yebipolar, yakamanikidzwa unipolar lemb lead uye V1～V6 inogona kusangana nezvinodiwa.Kana dextrocardia, right ventricular hypertrophy, kana myocardial infarction ichifungidzirwa, mutungamiri V7, V8, V9, uye V3R inofanira kuwedzerwa.V7 iri pamwero weV4 kuruboshwe posterior axillary line;V8 iri pamwero weV4 kuruboshwe scapular mutsara;V9 iri padivi rekuruboshwe musana Mutsara V4 uri pamwero;V3R iri pachikamu chinoenderana cheV3 pachipfuva chekurudyi.
Monitoring kukosha
1. Iyo 12-lead monitoring system inogona kuratidza myocardial ischemia zviitiko munguva.70% kusvika 90% yemyocardial ischemia inoonekwa ne electrocardiogram, uye kuchipatara, kazhinji haina zviratidzo.
2. Kune varwere vari panjodzi yemyocardial ischemia, yakadai seangina isina kugadzikana uye myocardial infarction, 12-lead ST-segment inoenderera mberi ECG monitoring inogona kukurumidza kuona acute myocardial ischemia zviitiko, kunyanya asymptomatic myocardial ischemia zviitiko, iyo kiriniki Ipa hwaro hwakavimbika hwekuongororwa panguva yakakodzera. uye kurapwa.
3. Zvakaoma kunyatsosiyanisa ventricular tachycardia uye supraventricular tachycardia ine intraventricular differential conduction uchishandisa chete lead II.Iyo yakanakisa inotungamira yekusiyanisa nemazvo maviri aya iV uye MCL (iyo P wave uye QRS yakaoma ine yakajeka morphology).
4. Paunenge uchiongorora rhythm dzemoyo dzisina kujairika, kushandisa ma lead akawanda kwakarurama pane kushandisa mutobvu mumwe chete.
5. Iyo 12-lead monitoring system yakanyatsojeka uye yakakodzera nguva yekuziva kana murwere ane arrhythmia kupfuura tsika imwe chete-lead monitoring system, pamwe chete nerudzi rwearrhythmia, kutanga kwekutanga, nguva yekuonekwa, nguva, uye kuchinja mberi uye shure. kurapwa kwezvinodhaka.
6. Kuenderera mberi kwe12-lead ECG monitoring kunokosha zvikuru pakusarudza maitiro e-arrhythmia, kusarudza nzira dzekuongorora uye dzokurapa, nekucherechedza migumisiro yekurapa.
7. Iyo 12-lead monitoring system inewo miganhu yayo mumakiriniki ekushandisa, uye inogona kukanganisa kukanganisa.Kana nzvimbo yemuviri wemurwere ichichinja kana ma electrode akashandiswa kwenguva yakati rebei, mafungu akawanda ekuvhiringidza achaonekwa pachiratidziro, izvo zvinokanganisa kutonga uye kuongororwa kweiyo electrocardiogram.
Nguva yekutumira: Oct-12-2021