Cardiomyopathies Flashcards
1
Q
What are some structural, functional and electrical changes seen in an athlete’s heart?
A
- Structural = (increase in chamber size and increase wall thickness)
- Functional = (Enhanced diastolic filling and increased stroke volume)
- Electrical = (Increased parasympathetic tone)
2
Q
What are five reasons for observing t-wave inversions in athletes?
A
- Juvenile ECG (T-wave inversion in leads V1-3 in individuals < 16 years old)
- Black athletes
- High endurance sports
- Cardiomyopathy
- Anabolic drug abuse
3
Q
What are six cardiac investigations?
A
- Cardiac MRI
- CT coronary angiogram
- Echocardiogram
- Exercise testing
- Holter monitor
- Genetic testing
4
Q
What is the pathophysiology of arrhythmogenic right ventricular cardiomyopathy?
A
- Genetic defect in cellular adhesion proteins
- Failure of cellular adhesion
- Myocyte detachment
- Cell death
- Focal Myocarditis
- Lymphocyte infiltration
5
Q
What is the pathophysiology of left ventricular non-compaction?
A
- Intertrabecular recesses
- Hypertrabeculation
- HF
- Arrythmias
- Systemic thromboembolism
- Anticoagulants needed
