Answer the followiing problems in detail.
problem 1) What do you mean by ventilators? Why are these used? Describe the different modes of their operation and necessary instrumentation they include.
problem 2) Describe electrode skin interface with its equivalent electrical circuit.
problem 3) Describe the X-ray technique of radiography with diagram.
problem 4) Describe the working of : IR gas analyzer and Paramagnetic oxygen analyser with diagram and usage.
problem 5) Describe the various lead configurations of ECG and discuss the working of ECG recorder with diagram.
problem 6) Describe the working of cardiac pacemakers with its block diagram, working and different pacing modes of operation.