Effects of heart rate on cardiac cycle US Medical PG Flashcards - Medical Study Cards
Master Effects of heart rate on cardiac cycle with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Effects of heart rate on cardiac cycle Flashcard Deck - 10 Cards
Flashcard 1: What phase of the cardiac cycle is most affected by changes in heart rate?_____
Answer: Reduced ventricular filling (diastasis)
Flashcard 2: What effect does decreased heart rate have on cardiac contractility?_____
Answer: Decreased contractility
Flashcard 3: Coronary blood flow peaks in early _____ (systole/diastole)
Answer: diastole
Flashcard 4: How does ventricular volume change during atrial systole?_____
Answer: Increase
Flashcard 5: Where in the heart is conduction velocity the slowest?
_____
Answer: AV node
Extra:
https://onlinemeded.org/spa/cardiac/arrhythmias/acquire?ref=anki
Flashcard 6: Inspiration delays closure of the _____ valve which causes splitting of the S2 heart sound
Answer: pulmonic
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/cardiac-cycle?index=4]
https://onlinemeded.org?ref=anki
Flashcard 7: During rapid ventricular ejection, the ventricular pressure becomes greater than aortic pressure and the _____ valve opens
Answer: aortic
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/cardiac-cycle?index=6]
https://onlinemeded.org?ref=anki
Flashcard 8: What phase of the cardiac cycle begins during the QRS complex on ECG?
_____
Answer: Isovolumetric ventricular contraction
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/cardiac-cycle?index=6]
https://onlinemeded.org?ref=anki
Flashcard 9: Parasympathetic stimulation decreases atrial contractility via _____ receptors
Answer: M2
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/Cardiac%20Conductive%20Physiology?index=8]
https://onlinemeded.org/spa/cardiac/arrhythmias/acquire?ref=anki
Flashcard 10: What type of calcium channels exist in the SA node?
_____
Answer: L-type (primary) and T-type
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/Cardiac%20Conductive%20Physiology?index=4]
https://onlinemeded.org/spa/cardiac/arrhythmias/acquire?ref=anki
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