If you have gotten dehydrated, have low blood sugar or have spent too much time in the sun or a hot tub, it is more important to recognize how quickly your blood pressure drops than how low it drops. Keep a record of your symptoms and your activities at the time your symptoms occurred.
The noun BEGUINE has 3 senses: 1. (Roman Catholic Church) a member of a lay sisterhood (one of several founded in the Netherlands in the 12th and 13th centuries); though not taking religious vows the sisters followed an austere life. 2. music written in the bolero rhythm of the beguine dance.
Sinus rhythm. A sinus rhythm is any cardiac rhythm where depolarisation of the cardiac muscle begins at the sinus node. It is characterised by the presence of correctly oriented P waves on the electrocardiogram (ECG). Sinus rhythm is necessary, but not sufficient, for normal electrical activity within the heart.