Exam 1 - Cardiomyopathy

Question 1

What is Dilated Cardiomyopathy a disease of?

Answer 1

Dz of heart muscle

Question 2

Which is the frequent etiology of Dilated Cardiomyopathy?

Answer 2

Genetic

Question 3

What happens to the heart chambers in Dilated Cardiomyopathy?

Answer 3

All 4 may enlarge

Question 4

What can be impaired about the ventricles in Dilated Cardiomyopathy?

Answer 4

Impaired contraction

Question 5

What happens to EF in Dilated Cardiomyopathy?

Answer 5

Reduced

Question 6

What causes Chagas Dilated Cardiomyopathy?

Answer 6

Protozoan infection

Question 7

What happens to the heart size in Chagas Dilated Cardiomyopathy?

Answer 7

Enlarged

Question 8

EKG in Chagas Dilated Cardiomyopathy?

Answer 8

Non-specific EKG abnormalities

Question 9

Where is an aneurysm found in Chagas Dilated Cardiomyopathy?

Answer 9

LV Apical Aneurysm

Question 10

What type of embolism in Chagas Dilated Cardiomyopathy? Where?

Answer 10

Mural embolism in left or right ventricles

Question 11

Dx for Chagas Dilated Cardiomyopathy?

Answer 11

Serologic Ig testing for T Crozi

Question 12

CXR in Dilated Cardiomyopathy?

Answer 12

Cardiomegaly

Question 13

EKG in Dilated Cardiomyopathy?

Answer 13

RBBB or LBBB w/non-specific ST-T abnormalities

Question 14

Echo in Dilated Cardiomyopathy?

Answer 14

Structure and function abnormal

Question 15

MRI in Dilated Cardiomyopathy?

Answer 15

Myocardial fibroblasts

Question 16

Tx for Dilated Cardiomyopathy?

Answer 16

Treat HF. Implantable pacemaker . +/- defibrillator

Question 17

Tx for Chagas Dilated Cardiomyopathy?

Answer 17

Antitripansomal drugs for acute and indeterminate. Not for chronic.

Question 18

What induces Toxic Dilated Cardiomyopathy?

Answer 18

EtOH

Question 19

Does Toxic Dilated Cardiomyopathy improve with abstinance from EtOH?

Answer 19

Yes

Question 20

Causes of Tachycardia-induced Cardiomyopathy?

Answer 20

Afib w/RVR. AVNRT.

Question 21

Calcium issues with Tachycardia-induced Cardiomyopathy?

Answer 21

Decreased calcium response

Question 22

Tachycardia-induced Cardiomyopathy does what to mycardial contractions?

Answer 22

Decreases

Question 23

Takotsubo Cardiomyopathy aka?

Answer 23

“Broken Heart Syndrome”

Question 24

Etiology of Takotsubo Cardiomyopathy?

Answer 24

Intense psych stress

Question 25

What balloons in Takotsubo Cardiomyopathy?

Answer 25

Left ventricle apical ballooling

Question 26

Takotsubo Cardiomyopathy and ST elevations?

Answer 26

ST elevations without CAD

Question 27

Etiology of Restricted Cardiomyopathy?

Answer 27

- Infiltrative=amyloidosis, sarcoidosis - enzyme mutation - scleroderma, endomyocardial fibrosis

Question 28

What happens to ventricles in Restricted Cardiomyopathy?

Answer 28

Stiff and rigid walls. Impaired vent filling.

Question 29

Wall thickness in Restricted Cardiomyopathy?

Answer 29

Normal

Question 30

Artial size in Restricted Cardiomyopathy?

Answer 30

Biatrial enlargement

Question 31

Systolic and Diastolic function in Restricted Cardiomyopathy?

Answer 31

Normal systolic. | Diastolic dysfunction.

Question 32

Etiology of Hypertrophic Cardiomyopathy?

Answer 32

Genetics!

Question 33

What is the most common cause of sudden death in young people?

Answer 33

Hypertrophic Cardiomyopathy

Question 34

What happens to teens and young adults exercising with Hypertrophic Cardiomyopathy?

Answer 34

Collapse and syncopize

Question 35

Pathophys of LV in Hypertrophic Cardiomyopathy?

Answer 35

Significant LV outflow obstruction.

Question 36

Ventricular walls in Hypertrophic Cardiomyopathy?

Answer 36

Hypertrophied. Volume normal or reduced.

Question 37

Murmur in Hypertrophic Cardiomyopathy?

Answer 37

Harsh crescendo-decrescendo systolic murmur

Question 38

Murmur with Valsalve in Hypertrophic Cardiomyopathy?

Answer 38

Murmur more intense

Question 39

Murmur with squtting in Hypertrophic Cardiomyopathy?

Answer 39

Murmur less intense

Question 40

Tx for Hypertrophic Cardiomyopathy?

Answer 40

Hydration. Decrease intense physical exertion. Treat arrhythmias if have. Surgery to improve LV outflow.

Question 41

Etiology of ARVC?

Answer 41

Genetically caused

Question 42

What happens to RV myocardium in ARVC?

Answer 42

RV replaced by fibrous or fibro-fatty tissue

Question 43

RV size and function in ARVC?

Answer 43

RV dilation and dysfunction. Regional akinesus or dyskinesis

Question 44

Dx of ARVC?

Answer 44

MRI

Question 45

Tx for ARVC?

Answer 45

NO COMPETITIVE SPORTS. Implantable cardiac defibrillatory. Cardiac transplant if severe.