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Physio

ECG Leads

QuestionAnswer
Einthoven's Triangle 3 EKG lead RA, LA, LL I, II , III (Limbs leads) Inferiorly and latrally
5 EKG Lead RA, RL, LA, LL, Chest V1-V6 Inferior, lateral and one anterior view
The Gold Standard 12 EKG Lead Limb leads (RA, LL, LA, RL) Precordium (v1-V6 = the heart) allows for specific areas to be ID'd Inferior (II, III, aVF) "augmented voltage +" lateral (I, aVL, V5, V6) Anterior (V1-V4)
Precorial Lead Placement v1 (RIGHT 4th intercostal space R Lateral sternal line) LEFT V2- 4th intercostal space L lateral sternal line V3- halfway btw leads V2 and V4 V4- 5th intercostal space @ L midclavicular line v5- L anterior axillary V6- L midaxillary line
Distribution: Anteroseptal V1, V2, V3, V4
Distribution: Anterior V1-V4
Distribution: Anterolateral V4-V6, I, aVL
Distribution: Lateral I and aVL
Distribution: inferior II, III, and aVF
Distribution: inferolateral II, III, aVF, and V5 and V6
View of Posterior Heart Wall Leads V1 and V2 Tall R, ST Depression, Upright T-Wave
View of Inferior Heart Wall Leads II, III, aVF "Looks from Left leg up"
View of Lateral Heart Wall Leads I and aVL "High Lateral Left; looks from Left arm toward the heart"
View of Lateral Heart Wall Leads V5 & V6 "Low lateral or Apical view" looks from left lateral chest toward the heart
View of Entire Lateral Heart Wall Lead I, aVL, V5, V6 looks at the lateral wall of the heart from two different perspectives
View of Anterior Heart Wall Leads V3 and V4 Looks from the left anterior chest
View of Septal Heart Wall Leads V1 and V2 looks along sternal borders
EKG represents... part of electric activity induced in body fluids by cardiac impulses that reach the surface; overall spread of activity thru heart (NOT Complete) de/repolarization; not single AP Comparisons of voltage detected at dift pts of body, not actualy potential
Rhythm strips at the bottom of 12 lead strip; devide can show up tp any of the 6 limb leads (I,II, III, aVR, aVL, aVF)
EKG Info gained (5 main categories) Heart Rate: Tachy/Brady 2. Rhythm: (ir)regular/arythmias 3. Signal conduction; delsy, heart blocks, septum issue 4. heart tissue: hypertrophy 5. conditions- MI, Myocardial Ischemia, Wolf-Parkinson's White Syndrome *Stemi?
Created by: cln8692