73 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... Holmes-Adie Syndrome ... Young females Differential ... no light-near dissociation
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... K-ATPase which imports ... - Refeeding Syndrome ... #Hypokalemia #Differential ... potassium #low #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Oxyhemoglobin Dissociation ... Oxyhemoglobin #Dissociation ... #Curve #Pathophysiology ... #Right #Shift #Differential
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Channelopathies: Long/short ... QT syndromes, Brugada ... Acquired long QT syndrome ... disorders • WPW syndrome ... Arrest #cardiology #differential
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Syphilis (light-near dissociation ... Midbrain (Parinaud's Syndrome ... Pupils #Defects #Differential
DRESS-associated drugs

DRESS syndrome can be life threatening and it has a documented mortality rate of about
drugs DRESS syndrome ... The syndrome is ... frequently seen in association ... #DRESS #Syndrome ... Causes #Diagnosis #Differential
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Pediatric Diarrhea - Differential ... Overfeeding • Short ... Bowel Syndrome ... Irritable Bowel Syndrome ... #Diarrhea #Differential
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag Syndrome ... Purple #Urine #Bag #Syndrome ... #PUBS #pathophysiology ... clinical #photo #differential
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - ... Differential Diagnosis ... 21 • Noonan Syndrome ... • Turner Syndrome ... #ShortStature #Differential
Lemierre’s Syndrome - Pathophysiology

Lemierre’s is an infectious thrombophlebitis of the internal jugular vein.

 - It starts
Lemierre’s Syndrome ... - Pathophysiology ... - It starts ... #Lemierres #Syndrome ... #Pathophysiology