The Calgary Guide to Understanding Disease @TheCalgaryGuide
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diagnosis pathophysiology symptoms complications ophthalmology orthopedics psychiatry acute staging syndrome adhesivecapsulitis alcohol aseptic behavioraldisorder benign bph caudaequina cd cecs centralretinalartery
Myelopathy - Injury to the entire spinal cord - Signs and Symptoms • Ataxia (early sign)
Myelopathy - Injury ... spinal cord - Signs ... Ataxia (early sign ... weakness (late sign ... #symptoms #msk
Acute Spinal Cord Injuries: Pathogenesis and clinical findings • Anterior Cord Syndrome -> Anterior spinal artery
spinal artery injury ... function below injury ... below level of injury ... pathophysiology #signs ... #symptoms #msk
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings • Primary (Idiopathic): Unknown etiology, but associated
Prolonged shoulder injury ... a stroke that caused ... diagnosis #symptoms #signs ... #stages #staging ... #msk
Femoral Head Fracture: Pathogenesis and clinical findings • Posterior hip dislocation -> Impaction force from femoral
Avulsion or shearing injury ... onto lateral hip Signs ... FemoralHead #Fractures #msk ... pathophysiology #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings Ophthalmic Artery Hypertension Stage 1: Mild/vasoconstrictive • Acute and chronic vasospasm
Hypertension Stage ... vascular tortuosity Stage ... -> AV nicking Stage ... Cotton-wool Spots Stage ... ophthalmology #diagnosis #signs
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations • Immune Complex Deposition - Arthralgia, Arthritis
Myopathy (Also caused ... Erythematosus #SLE #MSK ... pathophysiology #signs
Cauda Equina Syndrome Causes: • Large lumbar degenerative disc herniation (central) • Severe lumbar spondylosis • Neoplasm
Equina Syndrome Causes ... lumbar spine Signs ... CaudaEquina #Syndrome #MSK ... diagnosis #symptoms #signs
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings Medical Comorbidities Malignancies (most commonly hairy-cell leukemia) Immunogenetic Predisposition: patient is
Viral replication causes ... direct injury to ... Pathophysiology #Diagnosis #Signs
Meralgia paresthetica: Pathogenesis and Clinical Findings Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica •
Findings Compression/injury ... MeralgiaParesthetica #MSK ... differential #diagnosis #signs
Central Retinal Artery Occlusion: Pathogenesis and clinical findings • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
hypercoagulable state ... causing localized stasis ... Hypercoagulable state ... retinal edema caused ... ophthalmology #diagnosis #signs
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