Pharma Tip-249

1266. Heparin reduces the risk of deep vein thrombosis but increases the risk of intra- and extra-cranial bleeding.

1267. After "Administration of alteplase 24 hours no aspirin or clopidogrel etc. 

1268. Flecainide or propafenone are not used in structural heart disease.

1269. Verapamil may cause constipation, hypotension, flushing, and bradycardia. 

1270. Magnesium is used for torsades de pointes.

Pharma Tip-248

1261. Antiplatelet drugs are the drugs of choice for long-term prevention of atherothrombotic events.

1262. Ticlopidine may cause diarrhea, skin rash, and neutropenia.

1263. Oral contraceptives increase the risk of ischemic stroke.

1264. Warfarin is contra-indicated in pregnancy.

1265. Alteplase should be given within 3 hours of a stroke.