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EKG-

ekg rythms and cardiac diseases

QuestionAnswer
The normal PRI length 0.12-0.20
The p-wave looks like this upright and smooth
the rate of sinus tachycardia greater than 100
the rate of sinus bradycardia less than 60
when everything is the same as normal sinus rhythm exept that the rythm is irregular sinus arrythmia
the normal QRS should be this measurement less than .12
reasons for a patient to have Atrial fibrilation underlying heart disease,CHF, rheumatic fever
the rate of atrial fibrillation 350-400bpm
the rate of atrial flutter 250-300bpm
checking the heart rate on a six second strip and multiplying it by ten gives you this ventricular heart rate
the segment between the QRS complex and onset of the t wave is this ST segment
when the PR interval is greater than 0.20 seconds first degree block
the lower chambers of the heart ventricles
the upper chambers of the heart atria
two-layered sac surrounding the heart pericardium
inflammation of the serous pericardium pericarditis
the smooth outer surface of the heart epicardium
the thick middle layer of the heart myocardium
the innermost layer of the heart endocardium
the valve located between the right atrium and right ventricle tricuspid valve
the valve located between the left atrium and left ventricle bicuspid
thick walled and muscular blood vesselsthat function under high pressure to convey blood from the heart out to the rest of the body. arteries
drains blood from the head and neck superior vena cava
drains blood from the rest of the body except the head and neck. inferior vena cava
blood vessels that carry blood back to the heart veins
tiny blood vessels that allow for the exchange of oxygen, nutrients,nutrients, and wastes products between the blood and the body capillaries
the heart is located here mediastinum
the lowest chamber of the heart with the thickest myocardium left ventricle
the amount of the blood pumped by the heart in one minute cardiac output
ventricular relaxation diastole
the volume of blood pumped out of the heart of one ventricle of the heart in a single beat or contraction stroke volume
the heart has this many chambers four
the ability of cardiac pacemaker cells to generate their own electricle impulses spontaneously without external stimulation automaticity
the ability of cardiac cells to respond to an electrical stimulus excitability
the ability of cardiac cells to receive an electrical stimulus and then transmit it to other cardiac cells conductivity
ability of cardiac cells to shorten and cause cardiac muscles contraction in response to an electrical stimulus contractility
pacemaker of the heart SA node
the region where the AV nosde joins the bundle of his AV junction
a network of fibers that carries electrical impulses directly to ventricular muscle cells purkinje's network
an adhesive pad that contains conductive gel and is designed to be attatched to the patient's skin electrode
the printed record of the electrical activity of the heart EKG strip
abnormal heart rhythms dysrhythmias
represents depolarization of the left and right atria p wave
represents the time interval necessary for the impulse to travel from the SA node through the internodal pathways in the atria and downward to the ventricles PR interval
the time interval during which the ventricles and depolarized and ventricular repolarization begins ST segment
represents ventricular repolarizationa nd follows the ST segment T wave
Created by: anewkirk