60 results
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
associated with infection ... by bacterial infections ... (90%), Fungal infections ... • Dental infections ... • Dental infections
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hypogammaglobulinemia -> increased infection ... history of recurrent infections ... disease • Infectious ... community-acquired infections ... DDX - Other causes
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
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... subcutaneous fat infection ... hypodermis from a non-infectious ... However, many non-infectious ... #dermatology #skin
Causes of Vaginal Discharge - Differential Diagnosis Algorithm
Neoplastic:
 • Endometrium
 • Cervix
 • Vulva
 • Vagina
Systemic
Causes of Vaginal ... Discharge - Differential ... vascular disease • Dermatologic ... Sexually Transmitted Infection ... vaginalis Toxic Shock Syndrome
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
: • Infectious ... • Enteroviral infections ... • Herpes virus infections ... MRI lesions and clinical ... noninflammatory #differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... #Hematology
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 #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Weight loss - DDX ... : - Infection ... to the knee Infectious ... Disease Post-Infectious
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious ... #nonpalpable #dermatology