title: Sinus tachycardis in a hypertensive patient: drug withdrawal phenomenon?
mesh_terms: D001146:Arrhythmia, Sinus / Q000209:etiology*; D005260:Female; D006801:Humans; D006830:Hydralazine / Q000009:adverse effects*; D006973:Hypertension / Q000150:complications*; D008875:Middle Aged; D011433:Propranolol / Q000009:adverse effects*; D013375:Substance Withdrawal Syndrome; D013610:Tachycardia / Q000209:etiology*
chemical_list: D006830:Hydralazine; D011433:Propranolol