AACN PCCN Review: Dysrhythmias fully solved 2023

AACN PCCN Review: Dysrhythmias fully solved 2023Impulse Conduction Pathway SA Node -- Internodal pathways (Atrial Contraction) -- AV Node (Delay) -- His-Purkinje System (Ventricular Contraction) Dysrhythmias Common Causes Decreased Coronary Perfusion Myocardial hypoxia Electrolyte disturbances Cardiac Muscle Injury Ischemia or infarction Defects in heart muscle or electrical system Cardiac Surgery Electrical Stimulation to the heart muscle Medication Best leads to look at for Afib/Aflutter II, III, AVF Best Leads to Assess Junctional Rhythms Lead II Best Lead to determine Bundle Cranch Blocks V1 and or V6 ST Segment Monitoring for RCA III or aVF ST Segment Monitoring for LAD/Circumflex V3 ST Segment Monitoring for Activity Induced Ischemia V5 ST Segment Monitoring for unknown problem III or V3 ECG Zones of MI Inferior Wall Leads II, III, AVF "INF" Anterior Wall V1-V4 Lateral Wall V5, V6, I, aVL Best T wave V3, V4, II Reciprocal Lead Changes