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30 Cards in this Set
- Front
- Back
Oxygenated Blood Flow
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pulmonary circulation, pulmonary veins, left atrium, bicuspid, left ventricle, aortic valve, aorta, system.
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Unoxygenated Blood Flow
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superior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary trunk, lungs
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Systole - Atrial
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Atriole filling 30% AV open Semi-lunar closed EKG - P no sounds ventricular volume curve increasing, ventricular pressure curve - slight increase aortic pressure flat, atrial pressure up, atrial/ventricular repolarization
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Systole - Ventricle
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pumping - SV stroke volume AV closed semi-lunar open EKG-QRS sounds 1st VVC - decrease, VPC - increase, atrial pressure - increase, aortic pressure - increase
atrial/ventricular repolarization |
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Diastole - Atrial/Ventricle
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filling 70%, 3rd heart sound, EKG flat, aortic pressure flat, atrial pressure flat, atri-ventricles repolarized
EKG T 2nd heart sound, VV - flat, VP - down, AO - down, ATP flat - ventricular repolarization/atria repol. |
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Diastole - atrial
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pumping - SV stroke volume AV closed, semi-lunar open, EKG-QRS, 1st sound, VVC - decrease VPC - increase, aortic pressure increase, atrial pressure - slight increase, atrial/ventricular repolarization
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Structure of Heart Wall
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Parietal Pericardium-Pericardial Space-Visceral Pericardium; Epicardium, Myocardium, Endocardium
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Internal Heart Anatomy
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from R-L; superior vena cava, right atrium, tricuspid valve, chordae tendineae, right ventricule, pulmonary. left pulmonary artery, pulmonary valve, left atrium, bicuspid valve, papillary muscle, myocardium.
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Blood Flow through the heart
unoxygenated |
Blood flows through superior and inferior vena cava, enters into the right aorta, flows through the tricuspid valve into the right ventricle, pumped through the pulmonary semilunar valves, through the pulmonary trunk to the lungs.
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Blood flow through the heart, oxygenated
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blood flows into the pulmonary veins from the lungs, goes into the left atrium, through the bicuspid valve, into the left ventricle, pushed through the aortic semilunar valve into the aorta and into the body
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Diastole
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Relaxation of heart
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Systole
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Contraction of the heart
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Carotid Sinus Mechanism I
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increase in bp
carotid sinus stimulated-nerve impules go to the cardioregulatory center - the sympathetic -, parasympathetic +, decreased heart rate, bp decreased. |
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Carotid Sinus Mechanism II
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decreased bp, carotid sinus is not stimulated no impulses to the cardioregulatory center - sympathetic+, parasympathetic-, increased bp
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CO2 and OX mechanism I
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increase in CO2, decrease in O2 - impulses reach cardioregulatory center - sympathetic +, parasympathetic -, cardiac nerves are contacted (vagus nerve), heart increases HR, CO2 goes down, O2 up.
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Oxygenated Blood Flow
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pulmonary circulation, pulmonary veins, left atrium, bicuspid, left ventricle, aortic valve, aorta, system.
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Unoxygenated Blood Flow
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superior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary trunk, lungs
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Systole - Atrial
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Atriole filling 30% AV open Semi-lunar closed EKG - P no sounds ventricular volume curve increasing, ventricular pressure curve - slight increase aortic pressure flat, atrial pressure up, atrial/ventricular repolarization
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Systole - Ventricle
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pumping - SV stroke volume AV closed semi-lunar open EKG-QRS sounds 1st VVC - decrease, VPC - increase, atrial pressure - increase, aortic pressure - increase
atrial/ventricular repolarization |
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Diastole - Atrial/Ventricle
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filling 70%, 3rd heart sound, EKG flat, aortic pressure flat, atrial pressure flat, atri-ventricles repolarized
EKG T 2nd heart sound, VV - flat, VP - down, AO - down, ATP flat - ventricular repolarization/atria repol. |
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Diastole - atrial
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pumping - SV stroke volume AV closed, semi-lunar open, EKG-QRS, 1st sound, VVC - decrease VPC - increase, aortic pressure increase, atrial pressure - slight increase, atrial/ventricular repolarization
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Structure of Heart Wall
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Parietal Pericardium-Pericardial Space-Visceral Pericardium; Epicardium, Myocardium, Endocardium
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Internal Heart Anatomy
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from R-L; superior vena cava, right atrium, tricuspid valve, chordae tendineae, right ventricule, pulmonary. left pulmonary artery, pulmonary valve, left atrium, bicuspid valve, papillary muscle, myocardium.
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Blood Flow through the heart
unoxygenated |
Blood flows through superior and inferior vena cava, enters into the right aorta, flows through the tricuspid valve into the right ventricle, pumped through the pulmonary semilunar valves, through the pulmonary trunk to the lungs.
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Blood flow through the heart, oxygenated
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blood flows into the pulmonary veins from the lungs, goes into the left atrium, through the bicuspid valve, into the left ventricle, pushed through the aortic semilunar valve into the aorta and into the body
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Diastole
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Relaxation of heart
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Systole
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Contraction of the heart
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Carotid Sinus Mechanism I
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increase in bp
carotid sinus stimulated-nerve impules go to the cardioregulatory center - the sympathetic -, parasympathetic +, decreased heart rate, bp decreased. |
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Carotid Sinus Mechanism II
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decreased bp, carotid sinus is not stimulated no impulses to the cardioregulatory center - sympathetic+, parasympathetic-, increased bp
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CO2 and OX mechanism I
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increase in CO2, decrease in O2 - impulses reach cardioregulatory center - sympathetic +, parasympathetic -, cardiac nerves are contacted (vagus nerve), heart increases HR, CO2 goes down, O2 up.
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