Cardiopathology Gross & Histology Lab #3

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Where is Os Cordis located and what is it? What animal?

Answer 5

Bone located under under the aortic valve in cattle. AV node lies parallel on the atrial right side and AV bundle goes under the bone.

Question 6

What are hemal nodes?

Answer 6

lymphoid aggregates sometimes present on the mitral valve leaflets

Question 7

Answer 7

Question 8

Answer 8

Traumatic reticulopericarditis / “Hardware disease”

Question 9

What is the pathway for pathogensis of hardware disease?

Answer 9

Question 10

What is the pathway for Possible Sequela of hardware disease/pericarditis?

Answer 10

Question 11

Answer 11

Question 12

Lizzo brain

Question 13

Answer 13

Question 14

What is Granulomatous? What does Granulomatous inflammation look like?

Answer 14

Fungal: It was Coccidioides immitis (Valley Fever)

Predominately
macrophages +/- multinucleated giant cells

Question 15

What is Lymphoplasmacytic and necrotizing?

Answer 15

Virus - It was Parvovirus

Question 16

Answer 16

Myocarditis

Question 17

What is suppurative inflammation?

Answer 17

Question 18

What is the pathway for pathogenesis in this image?

Answer 18

Question 19

What is the pathway for possible sequela in this image?

Answer 19

endocarditis

Question 20

Answer 20

Question 21

Lizzo Brain

Question 22

Answer 22

Question 23

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Question 24

Answer 24

Question 25

See answer for more info

Answer 25

Question 26

How do changes relate to function?

Answer 26

Form affects function: Cardiomyocyte enlarged (hypertrophied) and increased fibrosis→ thick stiff walls → decreased myocardial contractility

Question 27

Answer 27

Question 28

What is the difference between Dilated cardiomyopathy vs Hypertrophic Cardiomyopathy?

Answer 28

Question 29

What are possible causes for Dilated cardiomyopathy?

Answer 29

Question 30

How does form affect function?

Answer 30

Cardiomyocyte loss, degeneration, and attenuation → thin flabby walls → decreased myocardial contractility

Question 31

What are the primary heart tumors?

Answer 31

Hemangiosarcoma (Extremely Common) Aortic body tumor/ Chemodectoma (Uncommon) Pericardial mesothelioma (Rare) Rhabdomyoma and rhabdomyosarcoma (Extremely rare)

Question 32

What are the primary location and apperance of the 4 primary heart tumors? What is the major sequla for each?

Answer 32

Question 33

lizzo brain

Answer 33

Question 34

Lizzo brain

Question 35

Answer 35

Question 36

Lizzo Brain Look at microscopic changes in the vessels What kind of inflammation do you see and where is it located? Why is the tunica media so thick?

Question 37

What is the difference between Right Sided and Left Sided Heart Failure?

Answer 37

Question 38

See next slide as well, Lizzo brain

Answer 38

Question 39

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Question 40

Answer 40

Question 41

What lesions do you see in the heart? Are the heart having problems with pressure or volume overload or both? What kind of hypertrophy do you see or you would suspect to initially develop?

Answer 41

Question 42

What lesions do you see in the heart? Are the heart having problems with pressure or volume overload or both? What kind of hypertrophy do you see or you would suspect to initially develop?

Answer 42

Question 43

What lesions do you see in the heart? Are the heart having problems with pressure or volume overload or both? What kind of hypertrophy do you see or you would suspect to initially develop?

Answer 43

Question 44

What lesions do you see in the heart? Are the heart having problems with pressure or volume overload or both? What kind of hypertrophy do you see or you would suspect to initially develop?

Answer 44

Question 45

What lesions do you see in the heart? Are the heart having problems with pressure or volume overload or both? What kind of hypertrophy do you see or you would suspect to initially develop?

Answer 45

Question 46

What is the difference between Pressure Overload and Volume Overload

Answer 46

Question 47

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Question 48

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Question 49

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Question 50

Answer 50