Hubungan antara faktor klinis, dan laboratoris saat admisi terhadap disfungsi Miokardium Biventrikel yang dievaluasi dengan speckle tracking ekokardiografi pada pasien Covid-19 dengan Komorbid Kardiovaskular 4 bulan pasca perawatan = Association between clinical and laboratory admission factors upon admission towards Biventricular Myocardial dysfunction evaluated by speckle tracking Echocardiography in Covid-19 patient with Cardiovascular Comorbid 4 months after hospitalization