2892 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
surrounded by a crescent ... • Infectious Causes ... Non-Infectious Causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Goodpasture's cause ... hematuria, RBC casts ... rapidly progressive (crescentic ... glomeruli, & cellular crescents ... staining patterns in crescentic
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
• Gradual, Crescendo ... #differential #causes
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
) • Multiple causes ... Subchondral hypolucency "Crescent
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
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... : Most Common Causes ... Tuberculosis: can cause ... -> Primary AI present ... /dL Primary AI present
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... menstrual - Recent ... practices that could cause ... patients if the cause ... Differential #Diagnosis #Causes
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... severe swelling causes ... severe swelling causes ... evasion techniques cause ... > Inflammation causes
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... Diagnosis Algorithm Present ... Laryngomalacia Present ... Diagnosis #Algorithm #Causes
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
• x descent - ... • c wave - caused ... • x descent - ... • y descent - ... is caused by the