129 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 ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Metabolic Pathways of Purple Urine Bag Syndrome: Adopted from chart originally published in Purple Urine Bag
of Purple Urine Bag ... Syndrome: Adopted ... Syndrome: A Rare ... #Pathophysiology ... #Syndrome
Tweetorial - Stevens Johnson Syndrome (SJS)

By Dr. Steven Chen @DrStevenTChen

#StevensJohnsonSyndrome #SJS #Dermatology #Diagnosis #Tweetorial #Pathphysiology
Stevens Johnson Syndrome ... StevensJohnsonSyndrome #SJS #Dermatology ... Diagnosis #Tweetorial #Pathphysiology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Syndrome Chronic ... Purple #Urine #Bag ... #Syndrome #PUBS ... #pathophysiology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Blisters - Primary Dermatologic ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... MucousMembranes #dermatology ... Diagnosis #Algorithm #causes
Causes of Ascites
Normal Peritoneum
Portal hypertension (SAAG > 1.1 g/dL)
  1. Hepatic congestionl
Causes of Ascites ... hypertension (SAAG ... - Budd-Chiari syndrome ... - Nephrotic syndrome ... peritonitis #Ascites #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Refeeding Syndrome ... Diagnosis #Algorithm #causes ... potassium #low #pathophysiology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
) • Behcet's syndrome ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... Causes: 1) Exfoliative ... #Diagnosis #Dermatology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... Tamponade Pulmonary Causes ... Hepatopulmonary syndrome ... Other Causes ... Transverse myelitis • Hematology