Pharmacology Cardiovascular system cd5246c4 Riociguat is used for A Pulmonary hypeension B Myocarditis C Atrial fibrillation D Stroke High-Yield Explanation Used for Chronic-thromboembolic pulmonary hypeension (CTEPH) and Pulmonary aerial hypeension (PAH) It is a stimulator of soluble guanylate cyclase (sGC). Ref: KD Tripathi 7th ed