139 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Etiologies by Mechanism ... IV Mg infusion (e.g ... - Tumor lysis syndrome ... High #Magnesium #Table ... #Causes #Management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Etiologies by Mechanism ... Miscellaneous Mechanisms ... - Hungry bones syndrome ... Low #Magnesium #Table ... Classification #Causes
Nephrotic Syndrome - Primary vs Secodary - Differential Diagnosis Algorithm

#Nephrotic #Syndrome #Differential #Diagnosis #Algorithm #Primary #Secondary
Nephrotic Syndrome ... Differential Diagnosis Algorithm ... #Nephrotic #Syndrome ... Primary #Secondary #Nephrology ... #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... Implies extrarenal mechanism ... Implies renal mechanism ... , Cushing syndrome ... #nephrology #sodium
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
Mechanisms of nephron ... in cardiorenal syndrome ... • Increased AVP ... #cardiorenal #syndrome ... #nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... differential #diagnosis #table ... #neurology
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... Weiss, Boerhaave syndrome ... Variceal, Cancer, AVM ... differential #diagnosis #Causes ... #algorithm
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Differential Diagnosis by Mechanism ... - Cirrhosis Syndrome ... - Malignancy (e.g ... Differential #Diagnosis #Table ... #Causes #Sodium
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... hematuria (RBC casts ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... but in severe cases ... May be 10 (eg direct ... Nephritic #Nephrotic #Syndromes ... #Proteinuria #Nephrology