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Diagnostic Tests for Leg weakness

Diagnostic Test list for Leg weakness:

The list of diagnostic tests mentioned in various sources as used in the diagnosis of Leg weakness includes:

  • General appearance - looking for bruising, deformity of leg, swelling of the leg, abnormal posture of body, muscle wasting.
  • Physical examination
    • Blood pressure and pulse to detect risk factors for stroke
    • Listen for carotid bruits which can indicate narrowing of arteries to brain and thus risk factor of stroke
    • May be necessary to examine a variety of joints including the lumbosacral spine, hips, knees, ankles and the various joints of the foot
    • Test muscle tone, power, reflexes and co-ordination of lower limbs
    • Test sensation of lower limbs ( including pain , touch , temperature and vibration sensation) examine each nerve of the lower limb
    • Examination of cranial nerves ( if also affected would suggest a diagnosis of cerebrovascular disease , a mass in the brain or multiple sclerosis
    • Examination of the upper limbs
  • Blood tests
    • Full blood count, platelets, ESR, Electrolytes
    • Blood sugar to detect diabetes which can cause peripheral neuropathy, peripheral nerve lesions, increased risk of strokes
    • Thyroid function test (hyperthyroidism and hypothyroidism may have muscle weakness)
    • Lipid profile looking for high cholesterol can increase risk of strokes
    • Clotting screen if thrombotic stroke in young person or recurrent thrombotic disease to detect antithrombin III deficiency, protein C or S deficiency, lupus anticoagulant
  • Radiology investigations
    • Lumbosacral spine X-ray
    • CT Scan or MRI of Lumbosacral spine - can detect nerve root entrapment in the intervertebral foramina of the lumbosacral spine or a disc prolapse.
    • Carotid artery Doppler - to measure flow through arteries to brain.
    • CT Scan Brain to detect stroke , brain mass
  • ECG - to detect atrial fibrillation that may have caused a stroke; can detect a recent heart attack that can predispose to a stroke.
  • Nerve Conduction studies
  • Electromyography - to diagnose entrapment syndromes of peripheral nerve.

Home Diagnostic Testing

These home medical tests may be relevant to Leg weakness causes:

Conditions listing medical symptoms: Leg weakness:

The following list of conditions have 'Leg weakness' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Leg weakness or choose View All.

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