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Cardio System
Vet Tech Cardio System Review
| Question | Answer |
|---|---|
| What is the outer layer of the heart called? | Pericardium |
| Blood in the right atrium passes through what valve before traveling into the right ventricle? | Right Atrioventricular Valve- also called the tricuspid valve |
| The SA Node which generates electrical impulses that trigger the beating of the heart is located where? | Right Atrium |
| What is the process of generating electrical impulses from the SA Node? | Depolarization |
| True or False: Systole happens when the heart relaxes and refills with blood. | False, Diastole is when the heart relaxes and refills with blood. Systole happens when heart muscles contract and blood is ejected from the atria. |
| During which heart sound will you hear the closure of the mitral and tricuspid valves? | Lub/S1 |
| What is the amount of blood ejected with each cardiac contraction called? | Stroke volume |
| If blood pressure is reduced and there is decreased stroke volume, what will happen to the heart rate? | Heart rate will increase to compensate for decreased stroke volume. |
| Subclavian arteries branch off of what? | The Aorta |
| What ensures that blood in the veins only travels towards the heart? | Valves |
| What is the most common acquired cardiovascular disease in dogs? | Canine Dilated Cardiomyopathy (DCM) |
| What is a common/normal arrhythmia? | Sinus Arrhythmia |
| Which side of congestive heart failure is seen in cats with heartworm disease? | Right Sided Heart Failure |
| On an ECG/EKG, the T wave corresponds with what? | The repolarization of the ventricles |
| Where do electrical impulses travel to next after traveling through the AV node? | Bundle of His |