Atrial Contractions

Aaron U. asked:


Usually Warfarin is administered to thin the blood during an episode of AF (to prevent a stroke). But I also read that aspirin can be a safer alternative. I inquiry about this, because I have mitral valve prolapse, and suffer from pretty frequent premature atrial contractions, and they sometimes make my heart jump right into a full blown fit of atrial fibrillation. Makes me *cringe* with uneasiness and discomfort from all the chaos taking place in my heart. Anyways, I would rather take aspirin than Warfarin, if possible. Coupled with my beta blocker (60mg Propranolol). Good or bad idea?

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Jenzy asked:


I had an EKG a few months ago and my doc said everything was fine. I’ve been having problems with dizziness, shortness of breath, fatigue and a decrease in appetite. This has been persistent for almost 1 and a half years now and seems to be worsening. my doc who stated, ” everything is normal” also called me by the wrong name during 2 seperate visits, so I decided to get my own med records myself and take a peek. Turns out, one of the tests were not read yet and the other findings were, “mild tricuspid regurgitation with premature atrial and ventricular contractions noted. Clinical correlation recommended.” i thought of the possibility of blood pressure being part of the culprit for my feeling so blah, so I got a monitor and found that my B/P fluctuates daily between 155/79 - 90/50 and my heart rate has been as high as 115 BPM and as low as 54 BPM. Is this something that is normal and what does the term, “clinical correlation recommended’ mean. BTW, my doc is no longer in business.

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ineedhelp asked:


The electrical impulses through the heart show where the contraction of myocardium is about to take place. Which is the correct pairing of the electrical signal with the activity in the appropriate region of the heart?

1. P wave; atrial systole
2. QRS wave; ventricular systole
3. T wave; ventricular diastole
4 All of the choices are correct.

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