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7-17 heart

What innervates the diaphragm and pericardial sac? Phrenic nerve
What is buildup of the fluid in the pericardial sac? Tamponade
What does the ligamentum arteriosum? Connects aortic arch and pulmonary trunk; bypasses lungs
What artery and vein supply the percardium? Pericardiophrenic artery and vein
What is most of the anterior heart made of? Right ventricle
What is most of the posterior heart made of? Left atrium
What is the fossa ovale? Between atria; closes at birth
What kind of blood goes into the right atrium? Deoxygenated
What are the muscle fibers in the atrium? Pectinate muscles
What is the wall between the atrium? Interatrial septum
Where do the pectinate muscles originate? Crista terminalis
What three vessels flow into the right atrium? Superior vena cava, inferior vena cava, opening of coronary sinus
Where is the right AV valve/tricuspid value located? Between the right atrium and ventricle
What muscle attaches to the chordea tendineae? Papilllary muscle
What muscle prevents the valves from closing too far? Papillary muscle
What connected the papillary muscles with the interventricular septum? Moderator band
What ventricle is the moderator band in? Right
What valve goes from right ventricle to the pulmonary trunk? Pulmonary valve
What type of blood flows into the left atrium? Oxygenated
What vessels bring blood to the left atrium? Pulmonary veins
Where are the pectinate muscles in the left atrium? Left auricle
What valve is between the left atrium and ventricle? Left AV valve/Bicuspid/Mitral
How many papillary muscles are there on the left AV valve? 2
Why is the left ventricle bigger than the right? Ejects blood to the rest of the body
Where does blood go after it leaves the left ventricle via the aortic valvue? Ascending aorta
What is the pacemaker of the heart? SA node
Where does the impulse from the SA node go? To both atria
What does the p wave represent? Atrial depolarization
What does the QRS complex represent? Ventricular depolarization, atrial repolarization
What does the t wave represent? Ventricular repolarization
What is referred pain? Heart doesn't feel pain or temperature
What nerve is affected by referred pain? Ulnar nerve
Created by: beranml



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