45 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... (abnormal) in nearly ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Causes of Solid or Cystic Renal Mass - Differential Diagnosis Algorithm
Solid Renal Mass:
 • Benign <3
Causes of Solid ... Diagnosis Algorithm ... size, Presence of fat ... Cystic #RenalMass #Nephrology ... #Causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Unknown nature & benign ... Young females Differential ... Diagnosis: • CN ... Ill Palsy - abnormal ... #neurology #ophthalmology
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
summarizes the causes ... - Normal in position ... branching vessels #Diagnosis ... #Radiology #CXR ... #Enlargement #Differential
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
lesions #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
- Diarrhea pH Normal ... Renin secreting ... #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A positive test, ... also known as a ... A positive response ... Reflex #Plantar #PhysicalExam ... #Diagnosis #Neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Renovascular HTN, Renin ... #causes #potassium ... #low #nephrology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... - Labyrinth: Benign ... often classified as ... #differential # ... diagnosis #neurology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... renovascular HT, Renin-secreting ... #Diagnosis #Algorithm ... #nephrology #causes