A reader has recently been diagnosed with a supraventricular tachycardia (SVT), which is a rapid rhythm of the heart.  She would like to avoid beta blockers and would appreciate any advice on how to combat the condition.

I have a friend who has/had SVT and she said that she stumbled across a natural way to control it - by cooling herself off with a cold shower - she said that when she started shivering the SVT subsided.  Maybe this can help.

After being rushed to hospital with a heart rate of 300 beats per minute, a reader’s 10-year-old granddaughter was diagnosed with supraventricular tachycardia (SVT).  She has been put on beta-blockers for two years, but the medication is causing terrible mood swings.  Does anyone have any ideas for either the SVT or the mood ...