Standard

EET 250 – Biomedical Instrumentation

Course Description:

Introduces the technological equipment used in the hospital setting. Biomedical instrumentation systems related to physiological measurement are studied. Topics include: patient care and monitoring, hospital safety procedures, transducers and amplifiers, specific physiological measurement, and diagnostic techniques. Laboratory work parallels class work.

Competency Areas:			Hours
Patient Care Monitoring			Class			4
Hospital Safety Procedures			D. Lab			0
Transducers and Amplifiers			P. Lab/O.B.I.			3
Specific Physiological Measurements			Credit			5
Diagnostic Techniques
Prerequisite: EET 102, EET 105
Corequisite: EET 201
Course Guide
Competency	After completing this section, the student will:			Hours
				Class	D. Lab		P. Lab/ O.B.I.
PATIENT CARE AND MONITORING				4	0		4
Intensive care unit equipment calibration and repair	Discuss the purpose of intensive care units.
	Describe the common biomedical instruments used in an intensive care unit.
	Discuss the procedure for performing scheduled maintenance of biomedical instruments used in an intensive care unit.
HOSPITAL SAFETY PROCEDURES				8	0		4
Hazards grounding for isolation of electrical shock effects		Describe the physical effect of electrical shocks.
		Define marcoshock and microshock.
		Contrast fatal and nonfatal electrical shocks.
		Define leakage current as it applies to the hospital setting.
		Name the electrical hazards associated with hospital electrical distribution systems.
		Name the electrical hazards associated with various biomedical instruments.
		Discuss the benefits of a preventive maintenance program for safe guarding against electrical hazards.
		Discuss the conditions which require use line isolation monitors.
		Describe the construction and operation of ground fault interrupters.
		Identify the conditions under which ground fault interrupters are used.
		Name the references containing codes for proper electrical wiring and grounding requirements for hospital facility.
TRANSDUCERS AND AMPLIFIERS				10	0		10
Signal acquisition	Discuss the purpose of signal acquisition systems and give examples of electrodes and transducers used for this purpose.
Electrodes	Describe the use of an ECG electrode in patient monitoring systems.
	Describe the use of an EEG electrode in patient monitoring systems
Bridge circuits	Give an example of using a wheat stone bridge circuit to monitor patient conditions.
Strain gages	Name the types of strain gages used with patient monitoring systems.
	Compute gage factor and explain how it is used in a patient monitoring system.
Transducers	Name the types of transducers used in patient monitoring systems.
	Describe the operation of an inductive transducer used in patient monitoring systems.
	Describe the operation of a capacitive transducer used in patient monitoring systems.
	Give examples of the transducers used to monitor patient’s temperature and compare and contrast the advantages and disadvantages of each.
SPECIFIC PHYSIOLOGICAL MEASUREMENTS				10	0		10
Cardiovascular, respiratory sensory	Define physiological pressure as it is applied to biomedical equipment used to monitor blood pressure.
Measurement methods	Name the types of equipment used to monitor blood pressure.
	Describe the various types of amplifiers used in physiological pressure monitoring equipment.
	Explain how the blood pressure detector circuit derives systolic, diastolic, and mean measurement.
Analyzing problems	Discuss the problem associated with monitoring patients’ physiological pressure.
Pressure monitoring equipment calibration	Calibrate various types of physiological pressure monitoring equipment.
Pressure monitoring equipment maintenance	Analyze faults in various types of physiological pressure monitoring equipment.
	Remove and replace components and/or sub-systems to return physiological pressure monitoring equipment to a serviceable condition.
Electrocardiographs	Discuss the heart as a potential source of information about its condition.
Components	Identify the various parts of an ECG waveform.
	Describe the parts of a standard lead system and state the purpose for each different part.
Operation	Describe the operation of an ECG machine.
	Operate an ECG machine.
Maintenance	Isolate ECG machine faults.
	Repair and/or calibrate an ECG machine.
DIANOSTIC TECHNIQUES				8	0		12
X-ray equipment	Discuss how x-ray equipment is used for diagnosis.
	Identify the various parts of an x-ray waveform.
	Describe the parts of a standard x-ray system and state the purpose for each different part.
	Describe the operation of an x-ray machine.
	Operate an x-ray machine.
	Isolate x-ray machine faults.
	Repair and/or calibrate an x-ray machine.
Radioisotopes	Discuss the hazards of radioisotopes in the hospital environment.
	Identify the types of radioisotopes used in the hospital environment.
	Identify references which detail the personnel safeguards which are practiced in the hospital environment when using radioisotopes.
	Discuss the biomedical technician’s which use radioisotopes.
	Discuss the biomedical technician’s responsibilities in using radioisotopes in the hospital environment.

Suggested Resources

Books:

Aston, R. (1990). Principles of biomedical instrumentation and measurement. Columbus, OH: Merrill.

Carr, J. J. & Brown, J. M. (1981). Introduction to biomedical technology. New York: Wiley.

Webster, J. G. (ed.). Medical instrument: Application and design. Boston: Houghton-Mufflin.