Conduction
Located in the upper right corner of the atrium
What is SA Node?
About the size of a human fist.
What is the human heart?
Commonly used for routine monitoring and is useful for detecting sinus and atrial arrhythmias.
What is lead II?
The period when neither the ventricles or atria are contracting.
What is diastole?
First component of wave form.
What is p- wave?
Extends from the Bundle Branches into the Endocardium and into the myocardial tissue.
What is purkinje fibers?
Located between the left atria and left ventricle.
What is mitral valve?
Direction that time is measured on telemetry strip.
What is Horizontal?
The SA node, the AV node and the Bundle of His
What are the 3 intrinsic pacemakers of the heart?
Follows the P wave and represents depolarization of the ventricles.
What is the QRS?
Main function is to delay impulses by 0.04 seconds to keep the ventricles from contraction too quickly.
What is the AV node?
The muscular wall of the heart consisting mainly of cardiac muscle.
What is myocardium?
Represents recovery or repolarization of the Purkinje fibers, NOT always present on the ECG.
What is the U wave?
The period of the cardiac cycle when both the atria and ventricles are contracting.
What is Systole?
Represents ventricular recovery or repolarization.
What is t-wave?
located between left & right bundle branches and AV node.
What is Bundle of His?
The sac that surrounds the heart.
What is pericardium?
Continous information about heart's electrical activity to monitor cardiac status.
What is telemetry?
The amount of pressure the LV must work against to pump blood into the circulation.
What is afterload?
Represents the end of ventricular conduction and the beginning of recovery; a change may indicate MI
What is ST segment?
Please state the correct path of electrical impulses through the heart.
What is SA,AV,Bundle of His, Bundle Branches, Purkinje Fibers?
The 4 valves of the heart.
What are the tricuspid, mitral, aortic,& pulmonic?
May be seen with excessive moving; the baseline appears wavy, bumpy and tremulous.
What is artifact?
The amount of blood the heart pumps in one minute.
What is cardiac output?
Tracks the atrial impulse from the SA node through the AV node, bundle of His, and bundle Branches.
What is PR interval?