68 results
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
and Leukopenia - Differential ... Lymphocytosis: Infection ... Drugs, Autoimmune, Bone ... Leukocytosis #Leukopenia #Differential ... Diagnosis #causes #hematology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Thrombocytopenia - Differential ... production: • Bone ... infiltration • Infection ... Thrombocytopenia #Differential ... Diagnosis #Algorithm #hematology
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
chondroblastoma or an infection ... included in the differential ... Enchondroma and infections ... Epiphysis #Radiology #MSK ... #Differential #
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases - Differential ... Inflammatory: MS ... nodosa, SLE • Infectious ... Demyelinating #Diseases #Differential ... Diagnosis #causes #neurology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Hypogonadism • Bone ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology ... #anemia #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Effusions: - Hematologic ... - Aneurysmal bone ... Osteochondroma Hematologic ... #diagnosis #msk
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Drug induced - Bone ... SLE) - Viral infections ... APLS • Acute Infectious ... Vasculopathy #Purpura #Differential
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... Media • Temporal Bone ... nystagmus - Infection ... Dizziness #Vertigo #Neurology ... #Differential #
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... Systemic N - Neurologic ... Amy Chung, MD, MSc ... primary #secondary #management ... #neurology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... procedures - Infection ... (CVID, WAS), (neurologic ... candidate) - Bone ... Causes #Workup #hematology