15 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... • Refeeding syndrome ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Disorders • Hypocalcemia ... Regorafenib • Hypophosphatemia ... Ifosfamide - Fanconi syndrome ... Trastuzumab • Hyponatremia ... Trastuzumab • Hypokalemia
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Glucose, Acute resp. alkalosis ... • Normal or Low ... - Normal or Low ... Workup #phosphate #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Diagnosis Algorithm Hypovolemia ... and metabolic alkalosis ... Hypovolemia, UNa ... Algorithm #Causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Appropriately Low ... Acute Respiratory Alkalosis ... , CAR-T cell #Hypophosphatemia ... Diagnosis #Algorithm #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... ON (UNa < 30): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... diagnosis #sodium #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Extravascular deposition: Hyperphosphatemia ... metastases, Hungry bone syndrome ... @aishaikh #Hypocalcemia ... Diagnosis #Algorithm #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... consumption • Low ... - Metabolic Alkalosis ... differential #potassium #nephrology ... #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... Present (Uosm ≥100): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia), Low ... table #sodium #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Inherited (AR) hypokalemic ... hypomagnesemia • Metabolic alkalosis ... • Normal or low ... Hypochloremic metabolic alkalosis ... #diagnosis #nephrology