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Heart Failure - Coggle Diagram
Heart Failure
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Diagnostics
Ejection fraction below 40% (systolic dysfunction) 
Class I: Known HD, w/o symptoms
Class II: HD, with slight limitations
Class III: HD, comfortable at rest, but ordinary activity results in symptoms
Class IV: Progressive HD, not comfortable at rest or upon activity
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ECG
Echocardiography
Chest radiology
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Risk Factors
Old age
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Conditions that don't allow expansion of ventricle, increased wall thickness, reduced chamber size
CAD, hypertension, DCM, valvular heart disease
Conditions that produce volume overload, pressure overload on heart, impaired contraction
Over weight
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