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ekg 50bquestion

QuestionAnswer
Innervation of the heart arises in the_____ of the Brain. Medulla
_______ is the electrical recovery of the heart. Repolization
The Heart has four chambers divided by the _____ Septum
Lead____ records voltage from the Left___to the Left __________ 3,arm,leg
Blood saturated with carbon dioxide enters the right_____through the ______________ ________and the ______________ Atrium,superior venacava and the inferior venacava
Lead___ records voltage down through the long axis of the heart, from the Right____ to the Left ____ 2,Arm,leg
Newly enriched blood flows back to the heart on the second leg of its trip via the______ to the Left________ pulmonary vein,atrium
Depolarization is another word for __________ of electrical energy. discharge
Lead____ records the voltage through the heart from the right arm to the left arm. 1
Ventricular depolarization=__________ the QRS complex
The ECG records the ________,not the image of the heart itself. electrical activity
Contraction begins with a tiny electrochemical "explosion" generated by specialized cells in the ____________node(SA NODE) in the right _______ Sinal atrial,atrium
Activity in the ventricular myocardium take place as the impulse travels through the bundle of His, the right and left_____and the __________Network. Bundle branch, Purkinje
The ECG is a recording of the _________ impulses associated with cardiac contraction and relaxation electrical
Transition period between (V)depolarization and repolarizaton is the ______________. ST Segment
Three words describe the activity of the heart: Depolarizaton,Repolarization,Polarization.
Atrial Depolarization= P Wave
Oxygenated blood returns to the heart at the left____ Atrium
The______wave,represent the impulse that causes the atria to ________ P, contract
Lead 1,2,and3, form a triangle called_________ Einthoven's Triangle
The time it takes the impulse to travel from the SA node to the AV node is=__________ PR Intervals
The blood enters the left ________and forced out through the ________to the body carrying oxygen and nutrients to body tissue Ventricles,Aorta
The right leg sensor is called the _____or _______electrode. Ground or References
(V)repolarization=_____ T-Wave
Polarization= the heart at rest
The entire____intervals indicates the amount of time between the begining of venticular recovery QT
Following the U wave,the heart is polarized or at __ Rest
An _____ are images of the heart taken from different angles. EKG
The heart is called the _ Pump
The "angles"produced by the ECG, are recorded by various combinations of Ten sensors:____limb sensors and_____Chest sensors 4,6
The four______sensors used in recording the cardiac voltage are: limb,RightArm,LeftArm,RightLeg,Leftleg
Time from the begining of the ventricular contraction to completion of ventricular recovery is known as______ QT Intervals
Lead1,Lead 2,Lead 3 are called_______limb leads,or ____leads Standard limb or bipolar leads
The four chambers are divided to form two pumps, each consisting of one ________and a corresponding_______. Atrium, Ventrical
The ECG records two functions, the_____of voltage generated by the heart and _______required for the voltage to travel through the heart Amount, Time
_______simply refers to the heart at rest. polarization
To make an extremely small ECG larger you would set the sensitivity switch to: 20mm,2
The devices that sense the skin voltage are____ sensor
An ECG is normally recorded at a speed of___ 25mm.
An apprehensive patient is likely to have what kind of artifacts in the recording ______ Somatic Tremor
True or False: Limb sensors have to be placedat specific places on the limbs False
True or False:Chest sensors require precise and proper placement True
V4 should be placed at:_______intercostal space,________line. Fifth, Midclavicular line
Electrolyte paste is used as a________ Conductor
Vertical Axis of the ECG represents________ Voltage
Horizontal Axis of the ECG represents________ Time
Sensors used for Lead 2 are____________and _________. Right Arm,Left leg
Sensors used for Lead1 are____and _________ Right Arm, LeftArm.
Augmented leads are also called: Unipolar
Created by: angpolanco
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