NTA Telemetry Equipment and Technology Flashcards

What is the most important skin preparation step before applying telemetry electrodes?

Answer: Clean and dry the skin, clipping hair if necessary

Cleaning and drying the skin, and clipping chest hair if present, maximizes electrode adhesion and produces the clearest signal.

Which monitoring lead is preferred for detecting bundle branch blocks in telemetry patients?

Answer: MCL1 (V1 equivalent)

MCL1, which approximates lead V1, best demonstrates QRS morphology changes characteristic of right and left bundle branch blocks.

What is the purpose of alarm threshold settings on a telemetry monitor?

Answer: To alert staff when heart rate or rhythm exceeds defined safe limits

Alarm thresholds are customized upper and lower heart rate limits that trigger an alert when the patient's rhythm moves outside the safe range.

What is the typical transmission range of most hospital telemetry systems?

Answer: Approximately 300–1000 feet depending on the system

Most hospital telemetry systems are designed with a 300–1000 foot range, sufficient to cover a typical inpatient nursing unit.

What does a slowly wandering baseline on a telemetry strip most commonly indicate?

Answer: Poor electrode contact or patient respiratory movement

A wandering baseline is caused by poor electrode adhesion, patient movement, or respiratory motion shifting the baseline up and down slowly.

What does the 'freeze' or 'hold' feature on a telemetry monitor allow a technician to do?

Answer: Pause the rhythm display on screen for review and documentation

The freeze feature pauses the live rhythm display, allowing the technician to examine a specific segment of the strip before printing or documenting.