– See: Total Hip Replacement Menu: – arterial injuries: in THR – nerve injury – nerve palsy from TKR – Discussion: – incidence of sciatic (tibial and/or peroneal) &/or femoral palsies after THR ranges from 1-3%; – incidence of nerve palsy is 1-2% of primary … Read more
– See: EMG – Nerve Injury Discussion: – remember that in any case of presumed nerve injury, always consider whether an isolated compartment syndrome had occured; – neuropraxia: – least severe injury, is characterized by a conduction block (focal conduction block); – conduction across the zone of nerve injury is inhibited, … Read more
– Anatomy: – other name for the superficial transverse metacarpal ligament; – these ligamentous fibers extend between the web spaces of the digits, and lie immediately beneath the skin, and helps create web space; – digital nerves & vessels pass deep or dorsal to natatory ligaments; … Read more
– Discussion: – characterized by weakness (upper > lower extremity); – ataxic broad based suffling gait, sensory changes; – rarely urinary retention; – anatomy of compression: – anterior cord compression —- protruding disc or posterior osteophytes; – … Read more
– Discussion: – disorder of spinal cord development/closure or secondary rupture of developing cord secondary to hydrocephalus; – term myelodysplasia includes: – spina bifida occulta – meningocele: sac without neural elements protruding through defect; – myelomeningocele; … Read more
erythromycin Tetracycline – Signs and Symptoms of: – HA – Malaise – Fever – Cough (bothersome) – Rales, Rhonchi, Wheezes – Consolidation rare; – Significant CXR features: Unilateral Broncho Pneumonia; – Isolation of M. Pneumonia from Sputum or a 4 … Read more
– Discussion: – rare disease usually found in association with occult neoplasms of the lung or other organs; – defect lies in the release of acetylcholine from prejunctional axon terminals; – main danger to patients is the manifestation of the underlying neoplasm; – Clinical Findings: – fluctuating weakness … Read more
– Myopathic Disorders – Muscle Fiber Types – Biochemistry of Skeletal Muscle Contraction: – Muscle Contraction: – Depolarization – Metabolic Sequence – Calcium Regulation of Muscle Contraction – Histology of Skeletal Muscle – Chemistry of Skeletal Muscle – Muscle Cramps – Extra … Read more
– Discussion: – derives from lateral cord (C5, C6): – musculocutaneous nerve passes through coracobrachialis; between biceps & brachialis, & becomes lateral antebrachial cutaneous nerve at elbow; – it has only muscular branches above elbow & only sensory branches below; – lesion of this nerve produces weakness of … Read more
– See: Muscle Menu – Two Major Fiber Types: type I and type II fibers; – in lower mammals and other animals, muscles are generally composed entirely type I or type II fibers; – human muscle is made up of a mixture of type I and type II fibers; – … Read more