40 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
and negative (normal ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... - Differential Diagnosis ... Algorithm Primary ... • Ovarian - Normal ... #Algorithm #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Algorithm Hypertensive ... Hyperplasia • Normal ... Al, Normal R - ... #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Losses: • Normal ... #Algorithm #causes ... #nephrology
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Algorithm Central ... System - Decreased LOC ... Strength, Normal ... #Algorithm #Causes
Aortic Dissection - Diagnosis and Acute Management
Pain: Chest, Back, Abdo, Migrating, Above & below diaphragm, Abrupt
painless Px: High or low ... BP diff (can be normal ... with CTA. ... 1) Control Pain ... #Management #treatment
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... females Differential Diagnosis ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
- Differential Diagnosis ... Algorithm Normal ... Panhypopituitarism Treatment ... #Differential #Diagnosis ... #causes #pediatrics
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
renal function is normal ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... - Differential Diagnosis ... Algorithm Normal ... Cell Problem - Low ... #Algorithm #Causes