Iam taking bp readings by automated bp monitor at home. Always my first reading shows high , second , third and fourth reading are very normal why? During first reading iam very tension and anxious. After taking first reading iam very free the remain readings are normal. Pls suggest which reading should be considered? 148/83 1 reading 120/71 2reading 119/69 3 reading 115/67 4 reading. Regards.