16 results
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Chloridorrhea Renal ... • Penicillins Renal ... MetabolicAlkalosis #NonGap ... #Nephrology #Differential
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Metabolic Acidosis ... Diarrhea • Fistula Renal ... Cell Problem - Low ... MetabolicAcidosis #NonGap ... #Nephrology #Differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... intake • Metabolic ... Syndrome • HTN, High ... Diagnosis #Algorithm #causes ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Diuretics (late) • High ... PRA: Renal artery ... Diagnosis #Algorithm #Nephrology ... #Causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Non-anion Gap Metabolic ... of High-anion Gap ... #NonGap #Metabolic ... #nephrology
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 ... differential #potassium #nephrology ... #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... infusions) - Metabolic ... differential #diagnosis #causes ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Transcellular shift ... • Renal artery ... , High aldosterone ... #Hypokalemia #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... infusions) - Metabolic ... differential #diagnosis #causes ... #nephrology
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
transcellular shift ... • Saline Causes ... densa receives high ... blood flow and ... • Saline May Cause