CSEP CEP Study Guide Exam Questions & Answers 2024/2025
CSEP CEP Study Guide Exam Questions & Answers 2024/2025 Autorythmic - ANSWERSSelf Exciteable, and repeatedly generate action potential eg. natural pace maker Cause of fundamental heart rhythm - ANSWERSNOT by nerve impulses or hormones, rather electrical impluse SA Node - ANSWERSMain natural pacemaker, faster conduction than autorhytmic fibres The Heart's electrical flow - ANSWERSSA Node to AV Node - AV Node to AV Bundle - Bundle of HIS to L and R branches to Apex and Purkinje FIbres (which then cause systolic phase and ventricle contraction HR Increase - ANSWERSDiastolic period decreases - causes an increase in MAP (main arterial pressure) ECG - ANSWERSmonitors electrical activity being produced by SA node (cardiac rhythm). P wave = atrial depolarization QRS complex - ventricle depolarization T wave = ventricle repolarization. T-P interval = diastolic filling time for atria. ECG Results - ANSWERSLong P - R interval = first degree AV block Average P-R interval is .12 - .20 seconds No P wave - atrial fibrillation Waves all over the place - ventricular fibrillation
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