Validation of a high-resolution, fast track pathway that combines the use of laboratory tests at the Point-of-Care Testing (POCT) and Point-of-Care ultrasound (POCUS) versus the classical pathway, in which blood samples are sent to the central laboratory and comprehensive radiological exams ordered, being equally effective, at a lower cost of care and time of stay in the emergency department.

Inclusion Criteria:

• First renal colic episode
• Need of analgesia
• Oral tolerance

Exclusion Criteria:

• Hemodynamic instability
• Fever
• Anuria
• Abdominal trauma
• Chronic renal failure
• Active oncologic disease
• Kidney transplant or monorenal patient