40 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction ... #Immunology #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
self-antigens are the cause ... antigens are the cause ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Oxyhemoglobin Dissociation ... Oxyhemoglobin #Dissociation ... #Curve #Pathophysiology ... #Differential #Causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Anterior Shoulder Dislocation ... - May cause axillary ... Myotomes #diagnosis #neurology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
., light-near dissociation ... It is caused by ... infection which causes ... ophthalmology #neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Fracture • Hip dislocation ... Trendelenburg #Gait #pathophysiology ... #causes #symptoms
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
an identifiable cause ... The cause is unknown ... #Bells #Palsy #neurology ... #anatomy #pathophysiology
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
constipation • Allergic ... , asthenia • Neurologic ... Systemic effect -> Nausea ... #SideEffects #Pathophysiology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
no light-near dissociation ... • Other causes ... #PhysicalExam #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
for intracranial masses ... • Neurologic ... a mass as the cause ... Cataract/Lens Dislocation ... Diagnosis #Algorithm #Causes