35 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
tubular acidosis (Types ... and 2, but not type ... Amphotericin B - Polyuria ... Potassium #Table #Classification ... #Causes
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
Polyuria - Differential ... Diagnosis Solute Diuresis ... Mannitol use Water Diuresis ... @kdjhaveri #Polyuria ... Differential #Diagnosis #Causes
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... 3L /day Water Diuresis ... Insipidus Mixed Diuresis ... solute load #Polyuria ... Diagnosis #Algorithm #causes
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... a.k.a. osmotic diuresis ... Hypercalcemia Polyuria ... EricsMedicalLectures/ #Polyuria ... Differential #Diagnosis #Causes
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Diagnosis Algorithm Polyuria ... /min) Osmotic Diuresis ... Insipidus #Polyuria ... Diagnosis #Algorithm #Causes
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
Shock Types and ... Classification ... pancreatitis), GI losses ... Dry #Shock #Types ... #Classification
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... administration • Osmotic diuresis ... (see Polyuria scheme ... Diagnosis #Algorithm #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Hypokalemia - Osmotic diuresis ... Post-obstructive diuresis ... Magnesium #Table #Classification ... #Causes #Workup
Types of Urinary Incontinence
 - Stress Incontinence - The urethral sphincter is weakened so that transient
Types of Urinary ... contribute to any type ... #Incontinence #Types ... #Classification ... #Causes #diagnosis
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypomagnesemia • Osmotic diuresis ... Diagnosis #Algorithm #Causes ... #Classification