Yasmin and atenolol

Both my 19 year old daughter and my 30 year old step daughter were put on Yasmin. Both began having heart problems. The eldest had heart palpitations, a racing heart and dizziness. The doctor discovered that her potassium level had shot up and her magnesium was down. They put her on magnesium to help control the racing heart. It helped, but then she became pregnant and had to lower the dose. The 19 year old has had the worst side effects. She was fine on ortho tricyclene, but when her doctor switched her to Yasmin her blood pressure shot up to 170/118. She began having chest pain. We pulled her off the Yasmin, but she has continued to have uncontrollably high blood pressure. The doctor ran several tests and has found no underlying cause as of this writing. She began taking 5 mg. of Norvasc, but was increased to 10 mg. to manage the high blood pressure.

I have low magnesium but no problems with insomnia. I take atenolol which could be why I sleep well.

Yasmin-high blood pressure and low magnesium
I have been on Yasmin for 10 months. I got on it after my doctor took me of Orthocyclene because my blood pressure was 160/120 (no joke). I took 25 mg of Atenolol for 3 weeks and my pressure got better but was still 138/90 so I was put on 50 mg and reassigned to Yasmin. Eventually I went down to 25 mg of Atenolol but I didn't feel "right". I started to have significant heart palpitations, racing heart, skipped beats. Sometimes I felt a pressure on my chest and a wierd pressure/pain in my upper back, lump in my throat. I thought I had allergies and anxiety... Sometimes I would be in bed at 3:00 am and wake up because my hear was racing. I went to the doctor and she said my magnesium is low. After 2 weeks on supplements it went up from 1.8 to 1.9 and so I still have to take it (I'm back on 50 mg of Atenolol too). I hate this, I've never taken ANYTHING, don't go to the doctor... nothing. What the hell is wrong with me?! I'm thinking about getting off Yasmin because I'm worried it's not letting me process magnesium which could be contributing to my high blood pressure. Does anybody know about this?