Cardiomyopathy Flashcards
What is cardiomyopathy?
Any disease of cardiac muscle
What is the general management for cardiomyopathies?
Beta blockers
Avoid competitive sport
Consider ICD
What is the difference between ICD and subcutaneous ICD?
ICD paces and shocks
S/c ICD only shocks
What are the risks of ICD implantation?
Lead infection
Perforation
Bleeding
Thrombo-emboli
What does HOCM stand for?
Hypertrophic obstructive cardiomyopathy
What is hypertrophic obstructive cardiomyopathy?
Asymmetrical septal hypertrophy and LV wall hypertrophy, leading to progressive LV tract obstruction
End diastolic volume decrease causes heart failure, stiff ventricles and sudden cardiac death
What is the commonest cause of sudden cardiac death in the young?
Hypertrophic obstructive cardiomyopathy
How does hypertrophic obstructive cardiomyopathy present?
SCD Angina Dyspnoea Palpitation Syncope Congestive cardiac failure
What are the investigations for hypertrophic obstructive cardiomyopathy?
ECG
Echo
What changes are seen on ECG for hypertrophic obstructive cardiomyopathy?
Progressive T wave inversion Deep Q waves in inferior and lateral leads AF WPW Ventricular ectopics Changes associated with LVH
What is dilated cardiomyopathy?
Idiopathic dilation of ventricles and weakening of heart muscle
What is dilated cardiomyopathy associated with?
Alcohol Hypertension Haemochromatosis Viral infection Congenital
What are the symptoms of dilated cardiomyopathy?
Fatigue Dyspnoea Pulmonary oedema RV failure Emboli AF VT
What is restrictive cardiomyopathy?
Heart is rigid, can’t expand and retract properly, causing decreased pre-load and end diastolic volume
What are the causes of restrictive cardiomyopathy?
MEGA CHRIST Metastases Endocarditis* Glycogen-storing disease Amyloidosis Carcinoid Haemochromatosis* Radiation* Idiopathic Sarcoidosis* Transplant
