45 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... ILD caused by inhalation ... Churg Strauss syndrome ... #diagnosis #differential ... #pulmonary #causes
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... : 70 years old, ... ~10,000 new cases ... and risk-stratification ... • Risks: infection
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Diagnosis Algorithm ... Arrhythmia • Neurologic ... Sudden Infant Death Syndrome ... 80% of SUDI • Risk
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... dissociation • Other causes ... #neurology #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN Ill ... One-and-a-half Syndrome ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... hyperviscosity syndrome ... #Priapism #Diagnosis ... #Management #Urology ... #Differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... • Bursitis • IBD ... injury • DVT (Risks ... extremity #msk #physicalexam
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... - Compatible syndrome ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
carotid sinus syndrome ... syncope (ruling out differential ... diagnoses), ruling ... determining the risk ... further guide management
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Proliferative Class Ill ... Classification #Classes ... #differential # ... diagnosis #management ... #nephrology