... Basic Cardiac Rhythm Interpretation Objectives:...
...permeability changes in cardiac cells and the...
...2. Describe the cardiac conduction system, the...
...Describe the cardiac conduction system, the normal...
...patient who requires cardiac monitoring. 3. Interpret...
...among the four conduction abnormalities, known as...
...Permeability A. Resting cardiac cell 1. Cardiac...
...cardiac cell 1. Cardiac function is dependent...
...state. B. Active cardiac cell—action potential 1....
...transmission of electrical conduction begins with a...
...charge, stimulating the cardiac cells extending across...
...b) As the cardiac cell receives an...
...shift, resulting in cardiac depolarization and repolarization...
...repolarization of the cardiac muscle. 2. Action...
...PowerPoint Slides 1. Cardiac Function Dependent on...
...anion. 2. Resting Cardiac Cell Negatively charged...
...Potential of a Cardiac Cell Produces changes...
...Depolarization Repolarization II. Cardiac Conduction and the...
...Repolarization II. Cardiac Conduction and the Electrocardiogram...
...Electrocardiogram 1. The cardiac cycle is maintained...
...influence the electrical conduction pathway. Understanding this...
...interpretation. A. Electrical conduction of the heart...
...c) Along a cardiac conduction pathway 2....
...Along a cardiac conduction pathway 2. The...
...2. The normal conduction pathway a) The...
...(3) Along a cardiac conduction pathway b)...
...Along a cardiac conduction pathway b) Starting...
...SA node, the conduction pathways continues: (1)...
...QT interval. C. Cardiac monitoring systems 1....
...essential for accurate cardiac monitoring, and lead...
...patient who requires cardiac monitoring 1. Electrode...
...Slides 1. Electrical Conduction of the Heart...
...node (SA) 3. Cardiac Conduction Pathway 4....
...(SA) 3. Cardiac Conduction Pathway 4. The...
...Patient Who Requires Cardiac Monitoring Components of...
...Premature beats 7. Cardiac conduction blocks 8....
...beats 7. Cardiac conduction blocks 8. Alteration...
...Normal and abnormal cardiac events 2. Major...
...angina if the cardiac output decreases to...
...in atria Decrease cardiac output Nursing assessment...
...a decrease in cardiac output from loss...
...the patient’s underlying cardiac rhythm and the...
...cause of sudden cardiac arrest. 2. Defibrillation...
...cause of sudden cardiac arrest. Defibrillation is...
...terminal rhythm. IX. Conduction abnormalities 1. Cardiac...
...Conduction abnormalities 1. Cardiac impulse conduction can...
...1. Cardiac impulse conduction can be inhibited...
...anywhere along the conduction pathway. Factors that...
...that can slow conduction include cardiac ischemia,...
...slow conduction include cardiac ischemia, digitalis, antiarrhythmic...
...a delay in conduction through the AV...
...coronary artery disease, conduction delay can increase...
...enough to maintain cardiac output; however, complete...
...an impairment in conduction through the bundle...
...PowerPoint Slides 1. Conduction Abnormalities Inhibition of...
...Abnormalities Inhibition of cardiac impulses along conduction...
...cardiac impulses along conduction pathway Factors Classification...
...>0.20 seconds Delayed conduction through AV node...
...SA node impulse conduction is delayed or...
...are contracting independently. Cardiac output greatly diminished....
...(BBB) Impairment in conduction through the bundle...
...of His branches. Conduction through right and...
...used in treating cardiac conduction disturbances. Antiarrhythmics...
...in treating cardiac conduction disturbances. Antiarrhythmics have...
...drugs slow impulse conduction through the atria,...
...and slow AV conduction velocity and myocardial...
...agents, and decrease cardiac stimulation, and can...
...because of decreased cardiac stimulation. They are...
...reduced, AV node conduction is slowed, and...
...classified as a cardiac glycoside and inotropic...
...assessment of the cardiac, respiratory, and neurologic...
...Used in treating cardiac conduction disturbances Classifications...
...in treating cardiac conduction disturbances Classifications 2....
...automaticity. Slow AV conduction, velocity, and myocardial...
...node AV node conduction delayed Decrease myocardial...
...rate that maintains cardiac output. a) The...
...failure of the conduction system, failure to...
...order to maintain cardiac output. In this...
...the patient’s own cardiac electrical activity and...
...the patient’s own cardiac electrical activity and...
...prior aborted sudden cardiac death or proven...
...heart attack and cardiac arrest. e) The...
...it does prevent cardiac arrest. 2. Patient...
...Used when myocardial conduction cannot maintain adequate...
...cannot maintain adequate cardiac output Pulse generator...
...who aborted sudden cardiac death Aborted proven...
...Prophylactically in high cardiac risk groups Designed...
...bradycardia pacing. Storing cardiac events Implantation of...
...for patients experiencing cardiac dysrhythmias. Suggestions for...