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Vet Sci 4 > Cardiology Heart dz > Flashcards

Cardiology Heart dz Flashcards

1
Q

Stroke Volume

A

The volume of blood ejected from the heart during each beat

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2
Q

Cardiac Output

A

HR x SV = CO

The volume of blood ejected from the heart per minute

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3
Q

Pre-load

A

Amount of pressure stretching the RV after passive filling and contraction

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4
Q

After-load

A

Amount of pressure the chamber has to generate to eject blood from the heart

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5
Q

Heart dz

A

Abnormality in the heart that can lead to heart failure ->reverse of caught in time

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6
Q

Signs of heart dz

A

Tachycardia
Tachepnia
Exercise intolerance
Enlarge heart = cardiac cough -> dry & unproductive

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7
Q

Heart failure

A

Unable to maintain cardiac output

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8
Q

Signs of heart failure

A

Extreme fatigue
Sianosis
Cachexia
Orthopnea

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9
Q

Left side heart failure

A

Pulmonary edema

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10
Q

Right side heart failure

A

Ascites

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11
Q

3 ways the heart will compensate

A
  1. Increase the heart rate -> 2-3x normal
  2. Chambers become hypotrophied ->thick muscle volume decrease
  3. Chambers will dialate -> flasid
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12
Q

Diagnostic tests for heart dz

A 
Auscultation 
Echo
Blood pressure
Atrial blood gas analysis
Pulse oximetry 
Radiographs
ECG
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13
Q

Patent Ductus Arteriosis

A

Congenital heart dz

Main source of murmur

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14
Q

Atrial Septal Defect

A

Defect or hole in the enteratrial septum

Soft systolic murmur

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15
Q

Ventricle Septal Defect

A

Enterventricular septum

Causes diastolic murmur

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16
Q

Aortic & Pulmonary Stenosis

A

Congenital heart dz

17
Q

AV insufficiency

A

Acquired heart dz

As the pt. ages, the AV valve shrink a little

18
Q

Heartworm

A

Acquired heart dz

Primarily in right ventricle and pulmonary artery

19
Q

Vegetative Endocarditis

A

Acquired heart dz
Bacterial infection that leads to systemic bacterimea, settles on AV valve then scars, piece breaks off and leads to septic embolism
Major cause = poor dental health

20
Q

Hypertrophic cardiomyopathy

A

Acquired heart dz
Causes: taurine def. in maine coons
Results in a thick myocardium chamber capacity

21
Q

Dialated cardiomyopathy

A

Acquired heart dz
Thin myocardium with large dialated chambers
2nd complications to atrial fibrillation
Common breeds: Boxers, Danes, Dobermans, Cockers, Goldens, St. Bernards, Irish Wolfhounds

22
Q

Pericarditis

A 
Inflammation of pericardium 2nd to:
General infection
Metastatic dz
Kidney dz/failure
Trauma 
or can be idiopathic
Auscultation: muffled heart sounds, weak &
 thready pulse; very painful, dyspnic

Vet Sci 4 (12 decks)

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