26 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Renal tubular acidosis ... (Types 1 and 2, ... but not type 4) ... Diagnosis #Low #Potassium ... #Table #Classification
Renal Tubular Acidosis - Diagnosis Algorithm
 • Hyperkalemic Type 4 RTA
 • Hypokalemic Type 1 RTA
Renal Tubular Acidosis ... • Hyperkalemic ... Type 4 RTA • Hypokalemic ... Type 1 RTA • RTA ... insufficiency • Proximal Type
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Proximal RTA (type ... Distal (classic) ... RTA (type I) ... nephron dysfunction (type ... Potassium-sparing
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Drugs • PHA type ... l/type 2 • Type ... 1 #Hyperkalemia
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Renal tubular acidosis ... (type 1 of 2), ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • Metabolic acidosis ... • Metabolic acidosis ... #causes #potassium
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Types of Renal Calculi ... Renal tubular acidosis ... (type 1) Calcium ... (types 1 and 2) ... failure #Calculi #Types
Distal Renal Tubular Acidosis
Distal RTA is the true Nephrogenic RTA and can be truly divided into
hypokalemic and the hyperkalemic ... types. ... Type A intercalated ... Hypoaldosteronism (classic ... Type IV)
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... - Metabolic acidosis ... Failure • SLE • Type ... Seaweed, Nuts, molasses ... #potassium #high
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... shift - Acidosis ... transplantation, type ... renal tubular acidosis ... ) #Hyperkalemia