Declension table of ?hṛdayavirodha

Masculine	Singular	Dual	Plural
Nominative	hṛdayavirodhaḥ	hṛdayavirodhau	hṛdayavirodhāḥ
Vocative	hṛdayavirodha	hṛdayavirodhau	hṛdayavirodhāḥ
Accusative	hṛdayavirodham	hṛdayavirodhau	hṛdayavirodhān
Instrumental	hṛdayavirodhena	hṛdayavirodhābhyām	hṛdayavirodhaiḥ hṛdayavirodhebhiḥ
Dative	hṛdayavirodhāya	hṛdayavirodhābhyām	hṛdayavirodhebhyaḥ
Ablative	hṛdayavirodhāt	hṛdayavirodhābhyām	hṛdayavirodhebhyaḥ
Genitive	hṛdayavirodhasya	hṛdayavirodhayoḥ	hṛdayavirodhānām
Locative	hṛdayavirodhe	hṛdayavirodhayoḥ	hṛdayavirodheṣu

Compound hṛdayavirodha -

Adverb -hṛdayavirodham -hṛdayavirodhāt