just 750 testosterone enanthate and was 600 Deca-Durabolin - nandrolone decanoate - a week but bumped the deca at week 6 to 300 for 4 more weeks in week 6 now
Most likely cause of increased heart rate is increased sympathetic outflow.
Increased fluid intake should actually decrease heart rate by increasing cardiac output.
In a normal healthy person, there should be practically no health risk as long as heart rate remains below 100.