HELLO, RESPECTED DOCTOR MY FATHER MR.SANAULLAH IS 56 YEARS OLD,HE SUFFERS FROM WEAK HEART ,HE WAS HOSPITALISED FROM 11TH NOV TO 30 TH NOVEMBER,ALSO HE SUFFERS FROM CHOLELITHIASIS , LEFT URETERIC CALCULUS AND LEFT HYDRONEPHROSIS ,HE IS UNDER TREATMENT, COULD U PLEASE SUGGEST SOME PROPER TREATMENT FOR WEAK HEART,THE DOCTOR SAYS HIS PUMPING RATE IS LOW