37 results
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes ... primary adrenal infection ... Waterhouse-Friderichsen syndrome ... TheIDtrivia #Infectious ... endocrinology #infectiousdiseases
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Papules / Plaques - Infectious ... Plaques - Non-infectious ... Plaques - Non-infectious ... #skinlesions #dermatology ... Diagnosis #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious ... Differential #Diagnosis #hematology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Wiskott-Aldrich syndrome ... deficiency Infections ... • Epstein-Barr virus ... Differential #Diagnosis #Hematology
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Other neoplasm • Infections ... avium complex, Infectious ... mononucleosis, Fungal infections ... Endocarditis, Other infection ... Chronic fatigue syndrome
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
infection • ... • >50,000 HIV infections ... within 28 days of infection ... (28%) • Skin rash ... Opportunistic infections
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Scarlatiniform rash ... necrophorum - Lemierre’s syndrome ... croup • EBV - Infectious ... Primary acute HIV Infection ... #differential #causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... differential #diagnosis #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... Diagnosis #Algorithm #Causes ... #Hematology