49 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... • Refeeding syndrome ... Medications Renal ... Losses Non-renal ... #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... loss (Diarrhea) Renal ... potassium #low #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... Repeat the sodium ... • nephrotic syndrome ... #Nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... overdose) - Sodium ... Fanconi syndrome ... #differential #diagnosis ... #nephrology #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... , Cushing syndrome ... #nephrology #sodium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... gastrointestinal K loss • Renal ... • Renal tubular ... #differential #diagnosis ... algorithm #causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Renal artery stenosis ... Differential #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... 90 minutes) • Sodium ... (if preserved renal ... #management #potassium ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
RAAS Active (or too ... Present (Uosm ≥100): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... Algorithm Hypovolemia ... Hypovolemia, UNa ... #Differential #Diagnosis ... Algorithm #Causes #nephrology