CHTM study materials
CHTM study resources

CHTM flashcards

CHTM · Build recall with a focused review session.

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

PM completion rate
Percentage calculated as PMs completed within the scheduled interval divided by PMs due in the same period, multiplied by 100; a core HTM performance indicator.
Mean time between failures
Total operating time divided by the number of failures in that period; measures the reliability of repairable equipment and supports interval and replacement decisions.
Mean time to repair
Total repair time divided by the number of repairs performed; reflects service responsiveness and the adequacy of spare parts, tools, and staffing.
Equipment availability
Fraction of time equipment is operable, computed as MTBF divided by the sum of MTBF and MTTR, usually expressed as a percentage of scheduled uptime.
Alternative equipment maintenance
Joint Commission-permitted practice of extending PM intervals beyond manufacturer recommendations using a documented, risk-based method approved by organizational leadership.
CMMS
Computerized maintenance management system: the database of record for asset inventory, work orders, preventive maintenance schedules, spare parts, and service history.
Straight-line depreciation
Annual expense equal to acquisition cost minus salvage value, divided by useful life in years; allocates cost evenly across the equipment's service life.
Total cost of ownership
Sum of acquisition, installation, maintenance, consumables, training, and disposal costs over the equipment's life; used to compare competing purchase options.
Payback period
Initial investment divided by annual net cash inflow; the number of years needed to recover the purchase cost, ignoring the time value of money.
Net present value
Sum of future cash flows discounted at the organization's cost of capital minus the initial investment; a positive result supports proceeding with the purchase.
Capital versus operating budget
Capital funds items above the capitalization threshold with multi-year life; operating funds cover consumables, parts, service contracts, and salaries.
NFPA 99
Healthcare Facilities Code: assigns patient care spaces to Categories 1 through 4 and sets electrical, medical gas, vacuum, and emergency power requirements.
NFPA 101
Life Safety Code: establishes egress, fire protection, and occupancy classification requirements that healthcare facilities must satisfy to protect building occupants.
Safe Medical Devices Act
Federal law requiring user facilities to report device-related deaths to FDA and the manufacturer, and serious injuries or illnesses to the manufacturer and FDA.
IEC 60601-1
International standard for basic safety and essential performance of medical electrical equipment; collateral 60601-1-2 addresses electromagnetic compatibility requirements.
ANSI/AAMI EQ56
Recommended practice describing elements of a medical equipment management program, including inventory, risk-based maintenance planning, and performance monitoring.
NFPA 70E
Standard for electrical safety in the workplace requiring arc flash risk assessment, appropriate personal protective equipment, and permits for energized work.
FMEA risk priority number
Product of severity, occurrence, and detection scores; ranks failure modes so the highest numbers receive corrective action first.
Root cause analysis
Retrospective, systems-focused investigation of an adverse event that identifies underlying process failures and corrective actions rather than individual blame.
FDA Class I recall
Recall of a device for which there is reasonable probability of serious adverse health consequences or death; the most urgent FDA recall class.
Sentinel event
Unexpected occurrence involving death, serious physical or psychological injury, or the risk thereof, which requires a root cause analysis.
ISO 14971
Risk management standard for medical devices that defines risk as the combination of the probability of occurrence of harm and the severity of that harm.
SBAR
Structured communication tool standing for Situation, Background, Assessment, Recommendation; used for handoffs and escalation to reduce omitted information.
SMART goal
Goal format requiring Specific, Measurable, Achievable, Relevant, and Time-bound elements so that progress and completion can be objectively evaluated.
Competency verification
Documented demonstration that a person performs a task to a defined standard, usually by observation or testing, distinct from mere attendance at training.
Critical path
Longest sequence of dependent tasks in a project schedule; it sets the minimum project duration, and any delay on it delays completion.
Thomas-Kilmann conflict modes
Five approaches to conflict, namely competing, collaborating, compromising, avoiding, and accommodating, selected according to issue importance and relationship importance.
HL7
Messaging standard for exchanging clinical and administrative data between healthcare applications; the newer FHIR specification adds RESTful APIs and discrete resources.
DICOM
Standard defining the file format and network transfer protocols for medical images, enabling interoperability among modalities, archives, and viewing systems.
IEC 80001-1
Standard for risk management when medical devices are connected to IT networks, defining responsibilities shared among medical, IT, and device organizations.
Network segmentation
Practice of placing medical devices on separate VLANs or subnets with controlled routing so compromised systems cannot move freely across the clinical network.
NIST CSF core functions
Identify, Protect, Detect, Respond, and Recover, with Govern added in version 2.0; organizes cybersecurity activities and supports maturity assessment.