https://dspace.uniandes.edu.ec/bitstream/123456789/5513/1/PI...

El seguimiento electrocardiográfico (cardiovisoscópico), debe realizársele a pacientes con enfermedad coronaria, arritmias pre o intraoperatorias o

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Note added at   6 godz. (2024-05-07 08:30:35 GMT)
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https://dspace.unl.edu.ec/jspui/bitstream/123456789/7808/1/V...

see page 35

Los cardiovisoscopios deben permitir ver diferentes derivaciones, de las estándar (I, II o III) o de las unipolares (aVr, Avl o aVf), a voluntad. El.

UK:
Cardiac monitoring describes the continuous monitoring of an ECG which is then displayed by the patient bed side, usually with a duplicate display at a central nurses' station
https://www.google.com/url?sa=t&source=web&rct=j&opi=8997844...

US:
The goals of electrocardiographic (ECG) monitoring in hospital settings have expanded from simple heart rate and basic rhythm determination to the diagnosis of complex arrhythmias, myocardial ischemia, and prolonged QT interval. (...)
this consensus document represents the first attempt in the literature to encompass all areas of hospital cardiac monitoring, including arrhythmia, ischemia, and QT interval monitoring in both children and adults. (...)
Cardiac monitoring is performed in a wide variety of hospital units, including critical care, progressive or step-down, EDs, medical-surgical, high-risk obstetrics, cardiac catheterization and electrophysiology laboratories, operating rooms, and postanesthesia recovery. 
https://www.ahajournals.org/doi/10.1161/01.cir.0000145144.56...