 [ Symptoms ] could i be pregnant  i had unprotected sex with my boyfriend several times i had my last period on october 28th and it was only 2 days and very light i completely skipped november i did a home pregnancy test on the 27th of november and it came back negative [ Disease ] a variety of drugs are available to treat arrhythmias these include antiarrhythmic drugs these drugs control heart rate and include beta blockers anticoagulant or antiplatelet therapy these drugs reduce the risk of blood clots and stroke these include warfarin a blood thinner or aspirin because everyone is different it may take trials of several medications and doses to find the one that works best for you