A mineral compound , Arsenite of Lime , Calcarea Ars as it is called, helps in the affections of the heart and heat. Other therapeutic effects include:
 
Mind
 
Any emotional disturbance will lead to palpitations.
Desire for company
Great depression
 
Head
 
Headache, usually once a week, sometimes with numbness around ears which is better by lying on the side it is paining.
Weekly headache
headache mostly around ears
 
Urinary System
 
Kidney region cannot tolerate pressure
Presence of albumin in urine, which is passed each hour.
 
Heart
 
Pain, palpitations and constrictive feeling in heart
Pain in the back region going uptil the arms.
 
Dose- As prescribed by physician. Can be taken along with allopathic medicines.
 
Precautions
 
Maintain half an hour gap between food/drink/any other medicines and homeopathic medicine. 
Avoid any strong smell in the mouth while taking medicine e.g. camphor, garlic, onion, coffee, hing.
 
 
Use under medical supervision.