15 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Differential Diagnosis ... - SIADH Renal ... - Diuretics ... Diagnosis #Table ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Insulin (high dose ... hypomagnesemia #Medications ... #differential # ... diagnosis #nephrology ... #Causes #hypomg
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... loss • Medication ... Hypomagnesemia • Osmotic diuresis ... #Causes #Classification
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... disease Drugs: ... #diagnosis #differential ... #medications #drugs ... #pharmacology #
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential ... Diagnosis GI losses ... in kidneys) - Medications ... Diagnosis #Table ... #Causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Kidney stones caused ... and euvolemic hyponatremia ... #Pharmacology # ... Medications #Table
Numerous drugs taken by elderly persons can affect water balance by direct action on the kidney
Numerous drugs taken ... on the kidney (Table ... #Diagnosis #Pharmacology ... #Medications #DrugInduced ... #List #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... reactions Common Drugs ... • K sparing diuretics ... Medications 2. ... #diagnosis #causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... only if no clear cause ... Elimination (see Table ... STOP offending medications ... Transient, repeat dose