Answer:
Step-by-step explanation:
There are three main types of sphygmomanometers used to measure blood pressure: mercury, aneroid, and digital.
1.Mercury sphygmomanometer:
Advantages:Accuracy,Clear reading,Durability
Disadvantages: Toxicity and harmful for environment,Fragility,Bulkiness
2.Aneroid sphygmomanometer:
Advantages:Portability,Durability,Cost effective
Disadvantages:Calibration and maintenance,Fragility,User proficiency
3.Digital sphygmomanometer:
Advantages:Easy to use,Portability,Additional features(memory storage, arrhythmia detection)
Disadvantages:Battery dependency,Potential malfunctions