30 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... Optic nerve* (main cause ... neuritis due to MS ... Swinging flashlight ... test Robert Marcus
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
test or "swinging-flashlight ... stimulus, is called Marcus ... regarding the cause
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Differential Diagnosis Algorithm ... Anacrotic • Pulsus parvus ... amplitude) • Pulsus tardus ... Differential #Diagnosis #Algorithm ... #causes
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Categorized by causes ... Cardiac, Pulmonary, MSK ... Pleuritic #ChestPain #Causes ... #Differential #Algorithm
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
- Differential Algorithm ... - Non-MSK - Axial ... #Differential #Algorithm ... #Causes
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Equinovarus, Meta tarsus ... VitaminCD #Mnemonic #MSK ... differential #diagnosis #Causes
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral Causes ... Diagnosis Central Causes ... Amy Chung, MD, MSc ... Central #Peripheral #Causes ... Differential #Diagnosis #algorithm
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
syncope from other causes ... Ask about precipitating ... Common causes of ... Neuro #IM #Sycope #Causes ... #Differential #Algorithm
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Differential Diagnosis Algorithm ... Demyelination • MS ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... Fractures #Pathologic #MSK ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes