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🌱 來自: dilated cardiomyopathy

diagnostic studies and workup of dilated cardiomyopathy

(JACC 2016;67:2996)

ECG of dilated cardiomyopathy

may see PRWP, Q waves, or BBB; low-voltage; AF (20%); may be normal

echocardiogram of dilated cardiomyopathy

• LV dilatation
• ↓ EF
• regional or global LV HK ± RV HK
• ± mural thrombi

cardiac MRI of dilated cardiomyopathy

high Se for myocarditis or infiltration; extent of scar correlated w/ mortality

Labs:

• TFTs, Fe panel, HIV, SPEP, ANA;
• viral sero not recommended;
• others per suspicion

Family hx (20–35% w/ familial dis.),

genetic counseling ± genetic testing (JAMA 2009;302:2471)

Coronary CT angiography (or invasive)

to r/o CAD if risk factors, h/o angina, Qw MI

Endomyocardial biopsy:

consider if fulminant myocarditis or suspect infiltrative disease