SCA Case Study - Answer Angiogram revealed normal coronary arteries.
Echocardiogram revealed hypertrophic cardiomyopathy.
Found to be cardiac arrest! - Answer Re-do CABG surgery!
SCA FACTS - Answer ~ 95% of SCA victims die before reaching the hospital.
Leading case of death in youn...
Found to be cardiac arrest! - Answer Re-do CABG surgery!
SCA FACTS - Answer ~ 95% of SCA victims die before reaching the hospital.
Leading case of death in young athletes.
Athletes may harbor unsuspected cardiovascular disease with the potential to cause sudden death.
What is SCA? - Answer Electrical disruption of the heart's natural rhythm , in which the heart stops
beating altogether.
Most often strikes suddenly and without warning, cause unconsciousness.
What is a Heart Attack? - Answer NOT the same as a "heart attack" which one or more of the heart's
main vessels becomes blocked, preventing blood from reaching the heart.
Patients typically experience chest pain and remain conscious.
Phidippides 490 BC - Answer Greek Soldier/Olympian.
Ran 26.2 miles to deliver news of Greek Victory.
Collapsed and died.
Etiology of Sudden Cardiac Death in Athletes - Answer Underlying cardiac pathology in young athletes
is usually structural cardiac abnormality.
Hypertrophic cardiomyopathy 25%.
Coronary artery anomalies 14%.
, Commotio Cordis - Answer Happens exactly at reporlarization.
Caused by blunt, non-penetrating blow to chest.
Induced a ventricular arrhythmia in otherwise structurally normal heart.
~ 20% of SCD in young athletes.
Other Structural Anomalies - Answer Myocarditis.
Arrhythmogenic right ventricular dysplasia (ARVD) - rhythm abnormality.
Marfan's syndrome -genetic mutation.
Valvular Heart Disease - Chamber is larger, volume overload.
Inherited Arrhythmia Syndromes - Answer Long QT syndrome.
Short QT syndrome.
Brugada syndrome - Camel Hump.
Familial catecholaminergic polymporphic venricular tachycardia - more than one morphology.
Similar to Torsades without the twisting.
Other Factors - Answer Recreational drugs.
Performance enhancing drug use.
Nutritional supplements.
Underlying medical conditions.
Electrical Phase (written on EXAM) - Answer 0-4 minutes following arrest, the cardiac muscle uses it
sugar/oxygen stores.
Circulatory Phase (EXAM) - Answer 4-10 minutes following arrest, the cardiac muscle switches to
anaerobic metabolism.
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