Introduction:

Mental workload is the set of psychophysics requirements that a worker faces along his/her workday. If mental workload is too high, and it lasts over time, it will bring mental fatigue. This constitutes a potential hazard for the nurse and his/her patients.

Objective:

To analyze the mental workload in nurses that work in different units in a Hospital in Bogotá Colombia.

Methods:

Descriptive-Quantitative study. For collecting sociodemographic and work information, the authors applied an instrument proposed by them. Job evaluation was carried out applying the NASA - TLX instrument.

Results:

jobs that generate higher mental workload were drug administration 58,20 and administrative labor 54,90 points. Internal Medicine showed severe mental workload 68,15 points. According to the work shift, the morning had evaluated with a severe mental workload with 68.61 points.

Conclusions:

The dimension evaluated as the most demanding was the time requirement. The job that generates higher mental workload was, drug administration, administrative, patient and family education, laboratory analysis and blue code attention.

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