45 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... UNa > 20: • Renal ... Bicarbonaturia with renal ... tubal acidosis ... Acute or chronic renal
Renal Tubular Acidosis - Diagnosis Algorithm
 • Hyperkalemic Type 4 RTA
 • Hypokalemic Type 1 RTA
Renal Tubular Acidosis ... • Hyperkalemic ... RTA • RTA of renal ... Type 2 RTA #RTA #Renal ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
renal potassium ... excretion • Acute renal ... failure • Chronic renal ... Potassium-rich diet • Blood ... high: • Post-renal
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... Increased Serum K = Hyperkalemic ... Renal Tubular Acidosis ... Tubulointerstitial injury ... uncimchiefs #RTA #Renal
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... , hypotension, hyponatremia ... , hyperkalemia, ... , hypoglycemia Testing ... ACTH) stimulation test
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
gastrointestinal K loss • Renal ... • Renal tubular ... acidosis (type ... syndrome, Congenital adrenal ... #causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... • Metabolic acidosis ... loss (Diarrhea) Renal
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... suggests extra-renal ... losses: • High Blood ... • Low/Normal Blood ... - Metabolic acidosis
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... ≥100): SIADH, Renal ... Hypothyroidism, Adrenal ... Present (Uosm <100): Renal ... with poor renal
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... - Metabolic acidosis ... resistance Impaired Renal ... deficiency • Renal ... Type IV RTA • Renal