Inferior infarct on ekg leads
[DOC File]Localizing Infarcts On a 12-Lead EKG
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The septal leads (front of the heart) reflect a posterior event (back of the heart) in the same way that inferior / lateral ones do, but there are no true “posterior” leads on an EKG. The way you see the posterior heart is via a right-sided EKG (place V4 on patient’s back), or by looking at leads looking at the front of the heart only ...
[DOC File]Cardiology
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Causes 5% peri-infarct deaths. If anterior MI, VSD usually in apical septum. If inferior MI, defect located on basal inferior septum (worse outcome/more difficult to repair) Associated with new pansystolic murmur and occasionally thrill. Can detect shunt with step-up. Usually seen in elderly females with few prior MIs and lack of collaterals
[DOC File]EKG and Interpretation - Josh Corwin
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EKG Wave Forms. SA node and P wave. SA node- pacemaker, initiates electrical response. SA node stimulates both atria. This . atrial depolarization. is recorded as the “P” wave. The normal “P” wave is round and upright in leads I, II, aVf, V2-6. Normal rate of SA node is 60-100. Normal P wave comes before QRS and lasts .06-.11 seconds
[DOC File]ECG Rhythm Interpretation
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Leads II, III, and aVF look at the inferior surface of the left ventricle. Leads V1, V2, V3 and V4 look at the anteroseptal surface of the left ventricle. Leads V5 and V6 looks at the apical surface of the left ventricle. There are no leads that view the posterior region of the left ventricle directly. Conduction System. Atrial Conduction. SA node
[DOC File]CARDIO – 1/8/08
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If lead 2 develops a QS pattern, then a problem occurs and the situation worsens. A QS pattern in leads 2, 3, IVF indicates an inferior myocardial infarction as the leads are inferior views and the QS pattern indicates an infarct. Treatment: Exercise can help form collateral circulation. CARDIO – 1/15/08. Ex. -22 QRS – this is a problem.
[DOC File]Localizing Infarcts On a 12-Lead EKG
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On an EKG, this stage of infarct will show as ST elevation in all the leads that reflect whichever part of the heart is being affected. This is the point in time when you want to get your TPA up and running – any later may be too late to salvage tissue. Look at the EKG of the acute inferior MI – there are clear ST elevations in II, III, and ...
[DOC File]EKG COURSE HANDOUT 2006 - CMC COMPENDIUM
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occasional terminal positivity of QRS in infarct leads (especially inferior) pathologic Q waves may disappear over time. Time course of ECG progression. variable; phases may be skipped. ECG progression is modified by reperfusion therapy. Localization. ECG leads Location of MI Probable culprit. II-III-aVF ((V5,V6) inferior RCA (or dominant LCX)
[DOC File]Localizing Infarcts On a 12-Lead EKG
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The different groups of EKG leads only reflect what’s happening in their own part of the heart (most of the time – as usual, this is “with a lot of lies thrown in”.) 4-1: Inferior Territory/ Right Coronary Artery: Leads II, III, AVF . The heart lies sort of on its side in the chest, with the RV downwards, inferiorly.
[DOC File]Ohio Chapter, American College of Cardiology
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1818: 12 lead ECG obtained in ED read: old inferior infarct MI, ST depression anterior leads. ED physician interpretation of ECG: Sinus rhythm, ST depression . 1900: Repeat 12 Lead ECG read: old inferior infarct, borderline ST depression. STEMI and Door to Balloon . Case #2 Questions. 26.
[DOC File]EKG and Interpretation - Josh Corwin
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Inferior – ST ↓in leads I + avL. Posterior – reciprocal ∆s in V1-V4. avR is always reciprocal. BBB – infarct induced can ↑ mortality 40-60% L ant ↓ supplied bundles; ant. septal MIs develop BBB. Eti: usually ischemic ♥ dz; leads V1, V6 + lead 1. If impulse is blocked thru BB, ventricle depol slower = …
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