Showing posts from 2017

Non Invasive Blood Pressure Measurement

Non Invasive Blood Pressure Measurement Invasive measurement refers to the measurement of BP by placing an intravascular can…

Systolic Pressure and Diastolic Pressure

Blood pressure (BP) is the pressure exerted by the circulating blood on the walls of blood vessels. For each heart beat the …

Spirometer Working Principle

Spirometer is the most widely used instrument for the measurement of various lung capacities and respiratory volume. Working…

Impedance pneumography

It is an indirect method used for the measurement of respiratory rate. It is comparatively simpler method because it does no…

Types of Ventilator Modes

There are mainly three different types of Ventilators: A. Assist mode: In the assist mode, the patient is able to control th…

Microprocessor based Ventilators

Microprocessor based Ventilators In a microprocessor based ventilator, the microprocessor will assist for ventilation. A gas…

Respiratory Therapy Equipments

Under certain conditions some patients may be incapable of breathing in natural means. So they will be provided with mechani…

Application of First law of thermodynamics

This law is simply a statement of law of conservation of energy for a thermodynamic system. Suppose a quantity of energy ΔQ …

Thermodynamics Lecture Notes

Thermodynamics is the branch of physics which deals with process involving heat, work and internal energy. Its scope is very…

Electrocardiogram of the Heart

An Electrocardiogram of the Heart is the recording of small electric waves being generated during heart activity. The term e…

Website Development

Web Developers are the people involved in developing the website. They consists of a team of workers. Their main aim is to s…

Isolation Amplifiers

Isolation amplifiers are used to provide electrical isolation and an electric safety barrier to the patients during measurem…

Bioelectric Amplifiers

As the name implies, the bioelectric amplifiers are used to amplify the bioelectric signals. The bioelectric signals measure…

LVDT - Advantages and Disadvantages

As shown in figure, LVDT consists of a transformer with one primary winding and two secondary windings. Here the secondary w…

Capacitive and Inductive Transducers

Capacitive Transducers: Capacitive transducer is a measurement device in which variations in pressure upon a capacitive elem…

Transducers and Sensors

A transducer is a device that performs the conversion of one form of variable into another. Normally in biomedical applicati…

CRO and its Applications

An oscilloscope is previously called as an oscillograph. It can be informally known as a scope, CRO (for cathode-ray oscillo…

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