37 results
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
: Differential Diagnosis ... Acute Retroviral Syndrome ... Noninfectious: • Allergic ... #Differential #Diagnosis ... #causes
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... Helminthic: Loffler syndrome ... coccidioidomycosis), Allergic ... #Differential #Diagnosis ... #causes
Christmas Tree Cataract on Slit Lamp Ocular Examination

They are produced by lysis of membrane proteins induced
Christmas Tree Cataract ... levels, which causes ... Christmas #Tree #Cataract ... #Ocular #PhysicalExam ... ophthalmology #SlitLamp
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... transfusion • Allergic ... • Serotonin syndrome ... #Differential #Causes ... Anesthesia #Checklist #Diagnosis
Differential Diagnosis of Wheezing
 • Extrathoracic (wheezing Is typically inspiratory): Anaphylaxis, Vocal cord pathology, Laryngeal stenosis,
Differential Diagnosis ... Churg-Strauss syndrome ... , Allergic bronchopulmonary ... #Differential #Diagnosis ... #Causes #pulmonary
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Miller-Fisher syndrome ... Corneal disease • Cataracts ... #Differential #Diagnosis ... #Causes #Ophthalmology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... Imperative to diagnose ... antibiotics and avoid allergic ... Angioedema • Sweet syndrome ... • Compartment syndrome
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
arrest, Kounis syndrome ... arrest GI (>40%): Nausea ... signs #symptoms #diagnosis ... #criteria #allergy
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Bone/Joint Causes ... Patellofemoral pain syndrome ... #differential #diagnosis ... extremity #msk #physicalexam