BODY
HEART
EKG
PRECORDIAL LEADS
BASICS OF THE HEART
100
front of body
What is anterior
100
surrounds the heart
What is pericardial cavity
100
middle layer of heart muscle
What is myocardium
100
midway between V2 and V4
What is V3
100
right upper chamber of the heart
What is right atrium
200
receives and processes the information from the receptor, also sends out commands
What is control center
200
carries blood towards the heart
What is veins
200
a term used to refer to any disorder of your heart rate or rhythm
What is arrhythmia
200
5th intercostal space, mid-clavicular line
What is V4
200
largest veins in body
What is Inferior Vena Cava and Superior Vena Cava
300
ability of the body to maintain a relatively stable metabolism and to function normally despite changes
What is homeostasis
300
tiny blood cells with walls that are only cell thick
What is capillaries
300
records electrical activity from right arm to left leg
What is Lead II
300
5th intercostal space, midaxillary line
What is V6
300
valve between right atrium and ventricle
What is tricuspid valve
400
contains skull and brain
What is cranial cavity
400
lower chambers of the heart that pump blood out of the heart
What is ventricles
400
a term used to describe a straight line on the ECG strip with illustrates the resting state of the myocardial cells
What is isoelectric line
400
5th intercostal space, anteraxillary line
What is V5
400
valve leading to lungs
What is pulmonic valve
500
contains liver, stomach and intestines
What is abdominal cavity
500
only artery in the body rich in carbon dioxide
What is pulmonary artery
500
the first negative deflection from the base line after the P-wave
What is Q-wave
500
4th intercostal space on right side of the sternum
What is V1
500
slow heart rate
What is bradycardia
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