47 results
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... Caused by saprophytic ... meatballs appearance Management ... Tinea #Versicolor #Dermatology ... SkinRash #Diagnosis #Management
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 ... associated with viral infections ... #Bells #Palsy #neurology ... #anatomy #pathophysiology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... fungal ringworm infection ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... procedures - Infection ... (CVID, WAS), (neurologic ... patients if the cause ... #Workup #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Triggering factor (infection ... Still disease, Infection ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis #management
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Diagnosis and Management ... old, ~10,000 new cases ... risk-stratification • Risks: infection ... acute leukemia Management ... #treatment #hematology
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... intracavernosal injections ... Priapism #Diagnosis #Management ... #Urology #Differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disease • Infectious ... and M panel Management ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Trauma - Infection ... blood test • Serology ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Systemic N - Neurologic ... Sensitivity ETOH Infection ... #differential #causes ... primary #secondary #management ... #neurology