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25 Cards in this Set
- Front
- Back
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What term refers to left-facing heart?
right-facing? |
Left-facing = Levocardia
Right-facing = Dextrocardia |
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What term refers to heart in the right-side of the sternum?
center?
left-side? |
Right-sided = Dextroposition
Center = Mesoposition
Left-sided = Levoposition |
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Where does the tip of a central line end up if catheterized properly? (2) |
Superior Vena Cava and Right Atrial junction |
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Is persistent left superior vena cava normal?
What vein does it drain? |
Yes
left brachiocephalic vein |
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Into what does the left superior vena cava drain? |
Coronary sinus |
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What valve is at the junction of the inferior vena cava and right atrium? |
Eustachian valve |
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Between the IVC and SVC, which contains blood that has more oxygen? |
IVC |
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How is oxygenation for mixed venous blood calculated? |
Oxygenation = (3xSVC + IVC)/4 |
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What valve abuts the coronary sinus? |
Thebesian valve |
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What is the crista terminalis? |
Thick muscle ridge in the back of the heart that separates the trabeculated from the smooth right atrium |
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What is the chiari network? |
Normal variant, it is congenital remnant near the IVC that appears as a mass or vegetation |
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Where on the heart are artificial pacemakers typically anchored? |
Right auricle (aka right atrial appendage) |
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Why are leads put in via the veins and not the arteries? |
Arteries have a risk of thromboembolism |
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What chamber is the most posterior of the heart? |
Left atrium |
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To what structure is the left atrium anterior? |
Esophagus |
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What medical condition makes the left atrium prone to clots? |
Atrial fibrillation |
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What percentage of patients have patent foramen ovale? |
25% |
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How does a person with patent foramen ovale push the interventricular septa shut? |
Valsalvic pressure |
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What valve is immediately anterior to the interventricular septum? |
Aortic valve |
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What is inside the right ventricle that is not present in the left ventricle besides tricuspid valve? (2) |
Septal marginal band (aka moderator band) (carries part of the right bundle branch) |
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What defect would allow the left ventricle access to the right atrium? |
Gerbode's defect |
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What determines whether a patient is right or left coronary artery dominated? |
Which coronary artery supplies the posterior descending artery at the back of the heart |
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What is the path of electrical signal in the heart? (4) |
SA node - AV node - Bundle of His - Purkinje fibers |
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What two pericardial ligaments anchor the pericardium to the sternum? |
- Superior sternopericardial ligament - Xiphopericardial ligament |
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What nerve runs on the lateral side of the pericardium? |
phrenic nerve |
