528 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
half-life = 40 days ([HCQI ... suspected) • In case ... • Special cases ... Hydroxychloroquine #HCQ
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... factor for HIV, HCV ... blood smear, HIV/HCV ... patients if the cause ... #Workup #hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Hb > 16.5 g/dL/HCT ... : Hb > 16 g/dL/HCT ... Polycythemia - Acquired Causes ... Paraneoplastic (e.g., RCC, HCC ... Diagnosis #Algorithm #hematology
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
reticulocytes x Patient's Hct ... / Normal Hct ... Index #RI #RPI #hematology
Differential Algorithm for the Causes of thrombocytopenia 

#Diagnosis #Hematology #Thrombocytopenia #Causes #Differential
Algorithm for the Causes ... #Diagnosis #Hematology ... Thrombocytopenia #Causes
Nail Disorders - Primary and Systemic Causes - Differential Diagnosis Algorithm

#NailDisorders #Primary #Secondary #Systemic #dermatology #Differential
Primary and Systemic Causes ... Secondary #Systemic #dermatology ... Diagnosis #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... • Secondary Causes ... • HCV, HBV Not ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Differential Diagnosis of Palmar and Plantar Rashes
#Diagnosis #Dermatology #Rashes #Palmar #Plantar #Palms #Soles #Differential #Causes #Table
Rashes #Diagnosis #Dermatology ... #Differential #Causes
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Primary Dermatologic ... NailDisorders #Primary #dermatology ... Diagnosis #Algorithm #causes