ABEM Study Guide 2026

The lateral femoral cutaneous nerve passes under or through the inguinal ligament near the anterior superior iliac spine, where it can be compressed.

Ongoing assessments should follow established protocols for regular intervals and also be conducted when conditions change. This balanced approach ensures continuous monitoring while remaining responsive to new developments.

Informed consent is a fundamental ethical and legal requirement in all medical procedures, including electrodiagnostic testing. It ensures that patients understand the nature of the test, its purpose, potential risks, benefits, and alternatives. This process empowers patients to make an autonomous and well-informed decision about their care, upholding their rights and the clinician's responsibilities.

When procedures are updated, professionals must review the changes, complete any required training to understand the rationale and new requirements, and implement the revised procedures in their practice. Continuing outdated methods risks non-compliance and suboptimal outcomes.

The probability and severity of potential harm are the primary factors in risk assessment. While cost and convenience are considerations, they should never override the assessment of how likely an incident is and how severe its consequences could be.

The Achilles tendon reflex is mediated primarily by the S1 nerve root, with S2 contribution in some individuals.