257 results
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... response to a fungal ringworm ... Management #Features #Ringworm
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Tinea Capitis in ... Tinea capitis, a ... commonly known as ringworm ... #NEJM #tinea #capitis ... #ringworm #derm
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 ... syndrome Ulcerative Colitis ... Nodosum #Mnemonic #Causes
Colitis - Differential Diagnosis by Segment Location

Ascending Colon:
 - Shigella
 - Salmonella
 - Amebic colitis
Hepatic flexure:
Colitis - Differential ... Salmonella - Amebic colitis ... trachomatis Pan-Colitis ... Radiation #Colitis ... Diagnosis #Map #Causes
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... abscess Ulcerative Colitis ... #Differential #Causes
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... Inflammatory: Ischemic colitis ... , Infectious colitis ... differential #diagnosis #Causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Acute Diarrhea - Differential Diagnostic Algorithm
Watery/Large Volume (Small Bowel)
 • Viral
 • Bacterial (e.g. C peffrjngens,
histolytjca) Nausea ... Ileitis • Crohn's Colitis ... • Ulcerative Colitis ... • Crohn's Colitis
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Causes of Secondary ... disease, Ulcerative Colitis ... #Nephropathy #Causes
Causes of Terminal Ileitis - Differential Diagnosis
 • Infectious: Yersinia spp., Salmonella spp., C.diff, Neutropenic colitis,
Causes of Terminal ... C.diff, Neutropenic colitis ... Differential #Diagnosis #Causes