68 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
and negative (normal ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
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
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
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Algorithm Clinical ... Weakness, fatigue, nausea ... Baseline plasma ACTH Low ... insufficiency • Low ... or normal baseline
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
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... consumption • Low ... /Normal Blood Pressure ... #Hypokalemia #diagnosis ... #low
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... and Differential Diagnosis ... osmolarity If cause ... investigations depending on clinical ... #nephrology #causes