*Healthcare Technology and Function – 25% Flashcards
1) Identify and resolve fault conditions of modules/subsystems including power supplies. 2) Prioritize repairs of medical devices based on level of risk and/or urgency. 3) Differentiate between a device error and a use error (User Training, Applications) to determine appropriate action. ~Monitoring Equipment~ 1) Differentiate between an issue with a localized monitoring device on a network and a systemwide problem. 18 2) Identify the fault conditions and apply appropriat
Medical device used during cataract surgery to break up and suction out cloudy lens.
phaco emulsifier
Used by orthopedic surgeons for exercising injured joints, sometimes ordered after knee surgery.
CPM machine
What does a balloon pump, and defibrillator use in sync mode to trigger?
ECG R-wave
AAMI ECG Lead III placement and colors.
LA (black), LL (red)
AAMI ECG Lead II placement and colors.
RA (white), LL (red)
Balloon pump is used in emergency situations such as ________.
Heart attack or congestive heart failure
Pertaining to artificial ventilation, peak flow (LPM) sets ________.
maximum speed at which the gas flows into the patients lungs
Hospital O2 wall pressure at the outlet is?
50-55 psig
Operating principle of a mass spectrometer relies on effect of an ________ on a stream of ionized gas molecules.
magnetic field
A Sequential Compression Device (SCD) is used in bed-ridden patients to prevent what?
deep vein thrombosis
A balloon pump can be used during a waiting period in anticipation of a ________.
heart transplant
What is the name of the device used to help blood flow from the left ventricle to the coronary arteries while increasing cardiac output with less left ventricular workload?
Intra-aortic balloon pump
Surgical instruments should be ________ for laser cases to limit injury by reflection of coherent light
Ebonized
Most commonly used gas for an insufflator.
CO2
Typical defibrillator test load.
50 Ohms non-inductive
Calibration voltage used in ECG
1 mV
This component on an IV pump will prevent free flow.
mechanical interlock
An ESU generator’s ability to coagulate without cutting
High crest factor
ESU cut function is characterized by high ________ with a low crest factor.
duty cycle (100% on)
What cardiac rhythm would use the defibrillation (non-sync) mode on a defibrillator?
Ventricular fibrillation
Device used in clinical laboratories for measuring the concentration of particles in a solution.
Osmometer
On a pulse oximeter, the ratio of absorption = ______
O2 saturation
Balloon pump should inflate when the heart is ________.
at rest and diastole
The percent rejection reading of a reverse osmosis system is fluctuating much more than normal. What could cause this?
Conductivity meters
A balloon pump can be used during patient stabilization awaiting ________.
cardiac procedure
Laser light is?
Coherent
A spirometer is used to ________.
Assess how much air is inhaled and exhaled.
What cardiac rhythm is a defibrillator set to cardioversion sync mode for?
Atrial fibrillation
Medical device used for examining inside of the ears.
otoscope
In a home health CPM machine, what does “CPM” stand for?
continuous passive motion
Defibrillation shockable rhythms include: ________ and ________.
Ventricular Tachycardia and Ventricular Fibrillation
________ effect is used to generate and detect ultrasound waves with piezoelectric ceramic materials.
Piezoelectric
Bowie-Dick test and Dart test measures for what?
Proper vacuum phase operation in a autoclave sterilizer.
IV pump occlusion sensors are usually sensed by ________ or ________.
pressure transducer, stall (current) sensor
ESU blend function is characterized by a duty cycle between ________ and ________.
cut, coag
Sector (vector) and Linear (rectangular) are examples of two types of ________.
ultrasound probes
Laboratory equipment used to make very thin slices of tissue
microtome
For invasive blood pressures, the transducer measuring the blood pressure must be ________ with the tip that is inserted into the body.
level
Absorbs CO2 in anesthesia machine.
Soda lime
Autoclave sterilization cycle.
Air removal, heat/pressurize, sterilization, cool/depressurize, dry.
ESU coag function is characterized by low ________.
duty cycle (6% on, 94% off)
What type of gas is typically used in an intra-aortic balloon pump?
Helium
A nebulizer ________ liquid.
atomizes
ECG waveforms are permanently stored in ________.
EEPROM
Electrosurgical units operate between the frequencies of ________ and ________.
100 kHz, 5 MHz
Gamma camera and scintillation counter are used primarily to study body organ ________.
function
Balloon pumps patients in are typically in ________ and are ________
CICU’s, critically ill
Balloon pump triggers on ________ wave.
R
Used to measure lung residual volume (RV), total lung capacity (TLC), airway resistance, and intrathoracic gas volume (ITGV)
Plethesmograph
Pertaining to artificial ventilation, frequency/breath rate (BPM) sets ________.
number of breaths delivered per minute
During pulmonary studies, integration of the flow signal can be used to measure ________.
lung volume
AAMI ECG Lead I placement and colors.
RA (white), LA (black)
What is used to eliminate abnormal electrophysiological impulses in the heart?
Cardiac ablation
What ECG lead is used for respiration?
Lead II, white and red, RA to LL
Tourniquet machines used to stop blood flow to surgical sites use what gas?
N2 (Nitrogen) or air
IV pump air-in-line sensors are usually ________ or ________
optical, ultrasonic
Key component when a sterilization process uses plasma.
H2O2 (Hydrogen Peroxide)
Optimal balloon pump timing set by ________ pressure tracing.
arterial
On a pulse oximeter, the LED emits two lights at what different wavelengths?
Red and Infrared
PEEP stands for what?
Positive end-expiratory pressure
Most common temperature for infant incubator.
98.6 degrees F, 37 degrees C
Empirical gas law that states that when the temperature of a given mass of confined gas is constant, the product of its pressure and volume is also constant. P1V1 = P2V2 or pressure is inversely proportional to volume.
Boyle’s Law
Defibrillator is used to correct this situation with the heart.
Ventricular fibrillation