22 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... • Normal Acid-Base ... • HTN, High Aldosterone ... Loop and thiazide diuretics ... #Algorithm #causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... (late) • High ... PRA: Renal artery ... #Algorithm #Nephrology ... #Causes
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
compartment - b2 ... - Insulin (high ... Fanconi syndrome ... #differential #diagnosis ... #nephrology #Causes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based ... can be high or ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... - Differential Diagnosis ... Chloridorrhea Renal ... tubular transport • Diuretics ... Licorice • Liddle's Syndrome
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... irrigation • Management ... ; High-Ceiling Diuretics ... Kidney stones caused ... #Diuresis #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... FEPO4 ≥ 5% - Renal ... • Normal or High ... Denosumab, Estrogen based ... Inh., Osmotic diuresis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... : Causes of High ... D-lactate (short bowel syndrome ... Volume depletion (diuresis ... bloodgas #Acid #Base
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential Diagnosis ... • Thiazide diuretics ... • Renal artery ... #Hypokalemia #Nephrology ... #Differential #Diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... causes • Laxative ... urinary losses: • High ... Alkalosis: Emesis, Diuretics ... #Hypokalemia #diagnosis