19 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Loss of Corneal Reflex ... #Palsy #Neurology ... #Signs #Symptoms
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
treated to relieve symptoms ... time, and can cause ... One of the first symptoms ... examination is usually normal ... clinical #video #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... #Reflex #Positive ... #Abnormal #clinical ... #video #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
etiology of coma Abnormal ... movements; also normal ... flexion withdrawal, abnormal ... decortication), abnormal ... • Examine for signs
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... lumbar spine Signs ... Areflexia (loss of normal ... leg reflexes) ... #signs
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
• Langerhan cells ... hair follicles -> causes ... keratinocytes but abnormal ... pathophysiology #diagnosis #signs ... #symptoms #complications
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
and petechiae Causes ... Sulfonamides - NSAIDs ... syndrome (MDS) (normal ... megakaryocytes and a normal ... • Improve the symptoms
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
that adopt an abnormal ... These cells can ... Crises can be precipitated ... Crisis #Features #Signs ... #Symptoms
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
and signs below ... injury • Gait is abnormal ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal ... reflexes: Areflexia
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
diffusion of K+ out of cells ... may cause serum ... to be falsely normal ... Signs/Symptoms/Complications ... Abdominal pain, nausea