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The Cardiac Cycle
N/A
23
Veterinary Medicine
Undergraduate 1
04/15/2013

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
Cardiac Cycle
Definition

Systole

 

Diastole

Term
Systole
Definition

Contract: eject blood

 

Ventricles

 

Tri and bi close, aortic and pulmonary open

 

Depolarization

Term
Diastole
Definition

Relaxed

 

Atria fills ventricles with blood due to low pressure 

 

The tri and bi open, aortic and pulmonic close

 

Repolarization 

Term
Cardiac Impulse
Definition

SA Node

 

AV Node

 

Bunble of His

 

Purkinje Fibers

Term
Sinoatrial Node
Definition

Wall of left atrium 

 

Depolarization

 

Generates electricle impulse 

Term
Fetal Circulation
Definition

Umbilical Vein

 

Liver; Ductuss V

 

Vena Cave

 

Right Atrium

Term
Location of Heart
Definition

Cats and Dogs - 3 - 7 ribs

 

 

Cattle and Horses - 2 - 6 ribs

Term
Lub/S1
Definition
Tri and bi close
Term
Dub/S2
Definition
Aortic and Pulmonic close
Term
S3
Definition
Rapid Ventricular filling
Term
S4
Definition
Contraction of heart
Term
Auscultation
Definition
Listening to the heart/ lungs
Term
Murmurs
Definition

Mitral valve prolapse 

 

Tricuspid valve prolapse

 

Subaortic stenosis

 

Pulmonic stenosis

Term
Location of Valves for Ausculation
Definition

Tricuspid: right side of thorax

 

PAM

Term
Cardiac Ouput
Definition

Stroke volume x heart rate

 

CO=SV x HR

Term
Stroke Volume
Definition
The amount of blood ejected with each heart contraction
Term
Preload
Definition
The volumetric pressure at the end off diastole
Term
Afterload
Definition
The force that the heart muscle must contract against
Term
Changes in Cardiac Output
Definition

Exercise: increase SV and HR

 

Shock: decrese SV decrease and increase HR

 

Fight or Flight: increase SV and HR

 

General anesthesia: decrease SV and HR

Term
Electrocardiogram (EKG)
Definition

Measures the electrical activity of the heart

 

PQRST Waves

Term
P Wave
Definition
Atrial depolarization
Term
QRS Complex
Definition
Ventricle depolarization
Term
T Wave
Definition
Repolarization of ventricles
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