46 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Diagnosis Algorithm ... water loss, Serum Sodium ... Polyuria scheme) e.g ... mannitol, glucosuria Low ... Diagnosis #Algorithm
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... Pulmonary pathology (e.g ... #Diagnosis #Table ... #Causes #Sodium
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Diagnosis Algorithm ... solute intake (e.g ... nutrition), Azotemia LOW ... #Diagnosis #Algorithm ... #nephrology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... - Medications (e.g ... renal diseases (e.g ... #Diagnosis #Table ... #Causes
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... Diagnosis HEMODYNAMIC ... Impaired forward flow ... vasoconstriction (e.g ... #Diagnosis #nephrology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Diagnosis Algorithm ... Septic Embolism (e.g ... Fat Embolism (e.g ... Mycotic Aneurysm (e.g ... Diagnosis #Algorithm
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm ... Failure • Stress (e.g ... Prolactin + Normal/ Low ... #Diagnosis #Algorithm ... Endocrinology #Causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Diagnosis Algorithm ... <35 years old, e.g ... • Functional (e.g ... Stalk Damage (e.g ... #Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Diagnosis Algorithm ... Sleep Deprivation (Eg ... • Medications (Eg ... • Drug Abuse (Eg ... #Diagnosis #Algorithm