need your opinion

Last week one of my patient a 83 lady. who was in the unit for abdominal pain had a blood pressure:234/67
She's well known to have high BP and medication help just a little
I was use to give her catapres po when her BP was higher than 220.
first her Bp was 232/68 with headache I gave her catapres
1hour later I took her BP: 234/64
I went to see the doc and explained him the problem. He answered " just stop to take the BP you wont see the problem!" then he took the file and wrote " stop to take BP and stop to give catapres and Lasix"

Is it my lack of experience or this doc as a problem???????