23 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Loses - Medications ... - Uncontrolled diabetes ... - Familial renal ... Differential #Diagnosis #Low
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Familial: Bartter syndrome ... and Gitelman syndrome ... Hypomagnesemia - Acquired: Medications ... diagnosis #causes #nephrology ... #magnesium #low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Thyrotoxicosis Medications ... Renal Losses ... Non-renal losses ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
hyperaldosteronism • Low ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... Renin-secreting tumor • Low ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... Renin-secreting tumor • Low ... Diagnosis #Algorithm #Nephrology
Pharmacological Treatment of Hepatorenal Syndrome (HRS)

Midodrine - Alpha agonist incr blood pressure incr renal perfusion pressure
of Hepatorenal Syndrome ... pressure incr renal ... #HepatoRenal #Syndrome ... #Pharmacology # ... Medications #Treatment
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Epithelial Cells Renal ... limb Gitelman syndrome ... receptor Distal renal ... ATPase Nephrogenic diabetes ... Defects #Kidney #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
mOsm/kg - Implies renal ... • Euvolemic (Low ... • Euvolemic: Diabetes ... , Cushing syndrome ... Workup #Algorithm #nephrology
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
in cardiorenal syndrome ... • Increased renal ... blood flow • ... release • ↓ Cl ... pathophysiology #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Agents Regulating Renal ... Inhibitors of Na+K+2Cl ... Excretion #Diuresis #Nephrology ... #Pharmacology # ... Medications #Table