GetTheDiagnosis.org

Welcome, guest.
Login or Sign up to edit.

Add an entry

Search:
 

Tools

Add a finding for this diagnosis

Add prevalence for this diagnosis

Switch to calculator mode to see positive predictive value

Switch to likelihood ratios

Sort findings by Accuracy

Sort findings by Differential Diagnosis

Jump To

Physical Exam

Herniated Disk: Sensitivity and Specificity

Introduction: None written.

[Edit Diagnosis] [Merge dx] [Add prevalence]

Tags: Musculoskeletal Tag this Diagnosis.

The sensitivity and specificity of findings for Herniated Disk are listed below. See the left navigation bar to change the display.

Physical Exam

Finding SensitivitySpecificity Comments, Study
Bragard's Sign Edit No accuracy specified.

This test is done with the patient supine with both legs straight. The examiner straight leg raises the leg on the affected side until the point the patient feels pain. At this position, the examiner firmly dorsiflexes the foot. If there is an increase in radicular pain from the above, the test is considered positive.

Study: no study specified.

Crossed Straight Leg Raise Edit 29%88%

pain on affected side while raising contralateral leg

Study: Best Pract Res Clin Rheumatol. 2008 Jun;22(3):471-82. PMID: 18519100

Naffziger's Sign Edit No accuracy specified.

manual compression of the jugular veins bilaterally. An increase or aggravation of pain or sensory disturbance over the distribution of the involved nerve root confirms the presence of an extruded intervertebral disk or other mass.

Study: no study specified.

Straight Leg Raise Edit 91%26%

passive flexion of hip with extended knee elicits radicular pain

Study: Best Pract Res Clin Rheumatol. 2008 Jun;22(3):471-82. PMID: 18519100