What shall be the choice: manual or automatic? It is clear from research and practice that inaccuracies exist with automatic BP use while manual seem preferable or yet not really? Some claim that automatic exclude bias in measurement.
Inaccurate reads of blood pressure lead to consumption of medications otherwise not needed if blood pressure measurements would be accurate. It affects lives-health. Which BP monitor shall be used? Both? How to resolve this dilemma in our age of automatisation?
I know that much inquiries are made by me but its a life related investigation.
Thank you in advance for contributions.
You would need to conduct a diagnostic study to compare the manual Sphyg and the automatic (an electronic), for instance a prevalence of hypertension study.
I initially thought one could validate 2 diagnostic instruments, in this case a manual BP instrument and an automatic electronic BP instrument by calculating their specificity and sensitivity after using them to measure BP of a large number of people. Then compare their effectiveness for measurements of BP by using Receiver Operating curves. However, I later discovered that there are validating protocols for BP instruments. Attached is a reference for validation of BP instruments.
Manual for diagnosis and automatic for monitoring, due to accuracy and precision. Quite similar when using venous blood glucose for diagnosis and the POCT for monitoring. Maybe.... it just a thought
The manual blood pressure is of course the best, but if you do not know how to take a manual blood preassure/or the patient will measure the blood preassure at home it is better with automatic. However the automatic is not that reliable if the patient has atrial fibrillation.
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