Karina Guaiquin

Medical Imaging Technologist with 15+ years of clinical and operational leadership in radiology, interventional procedures, and digital health systems. Currently working as a Freelance Clinical Data Annotator, segmenting medical images (CT, MRI, X-ray, mammography) to train and validate deep learning models for diagnostic AI applications. Expert in ICD-10 coding, clinical nomenclature, PACS/RIS systems, and remote collaboration with international teams.

Seeking remote opportunities in clinical AI validation, medical data annotation, health tech, and digital health consulting.

Clinical Data Annotator (Freelance / Remote) - [Company/Platform Name] - Remote

(2026-04)

• Segment and annotate clinical images (CT, MRI, X-ray) to create high-quality ground truth datasets for deep learning model training in medical diagnostics.
• Apply standardized clinical guidelines and medical nomenclature (ICD-10) to ensure consistency, traceability, and regulatory compliance of annotated data.
• Collaborate remotely with AI engineering and data science teams to refine annotation protocols, improve algorithm accuracy, and validate clinical outputs.
• Perform quality control reviews to minimize inter-annotator variability and enhance dataset reliability for AI validation pipelines.

Healthcare Assistant - Mowlam Healthcare Services – Killarney Nursing Home - Ireland

(2022-10 - 2023-04)

• Managed digital clinical records and coordinated care with international healthcare teams in English.
• Adapted quickly to remote monitoring protocols and telehealth workflows, ensuring continuity of care in distributed settings.

Medical Imaging Technologist & Radiology Coordinator - Red Salud SA - Chile

(2019-10 - 2022-03)

• Led digital operations for 2 ultrasound units, 1 X-ray, 1 mammography system, and PACS/RIS platforms, ensuring data integrity, quality acquisition, and regulatory compliance.
• Implemented digital workflows for scheduling, statistical reporting, and internal client (physician) support, reducing wait times and improving clinical interoperability.
• Coordinated preventive maintenance and software updates, ensuring compatibility with quality standards and readiness for analytical/AI tool integration.

Imaging Unit Coordinator / Medical Imaging Technologist - Hospital Dr. Eduardo Pereira, Hospital Quilpué, CENTROMED - Chile

(2012-01 - 2019-12)

• Managed SIDRA and RAYEN systems for scheduling, secure storage, and distribution of imaging studies.
• Active participant in quality accreditation processes, acquisition protocol optimization, and dosimetry control (methodological foundation for AI algorithm validation).
• Coordinated digital radiology in surgical suites, working with multidisciplinary teams and healthcare interoperability systems.

Medical Imaging Technologist – Hemodynamics, Interventional Radiology & Emergency - Hospital Base Puerto Montt, Centro Médico Eco Sur, Clínica Santa María - Chile

(2007-01 - 2011-12)

• Performed clinical imaging procedures in high-acuity settings including hemodynamics, interventional radiology, CT, and emergency radiology.
• Supported quality improvement projects, nursing management, and clinical research initiatives.

Medical Technologist - Medical Imaging & Medical Physics - Universidad San Sebastián (2004-01 - 2007-12)

Diploma - Healthcare Management & Leadership - DIAGNOTECMED (2018-01 - 2019-12)

Advanced Course - CT, MRI & Mammography for Medical Technologists - Universidad Iberoamericana / MINSAL Chile (2015-01 - 2015-12)