28 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Diuretics (late) • High ... hyperaldosteronism • High ... Renin-secreting tumor ... #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... Diuretics (late) • High ... hyperaldosteronism • High ... Renin-secreting tumor ... Diagnosis #Algorithm #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Renin-Secreting Tumor ... Licorice • Liddle's Syndrome ... Diagnosis #Algorithm #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
• HTN, High Aldosterone ... Renin secreting tumor ... , Gitelman syndrom ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter syndrome ... , Gitelman syndrome ... to diarrhea, a high ... the indicated causes ... urine #Algorithm #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... urinary losses: • High ... Renin secreting tumor ... - Metabolic Alkalosis
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Glucose, Acute resp. alkalosis ... , Tumor genesis ... • Normal or High ... Low PTH: - High ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Shift: Refeeding Syndrome ... Acute Respiratory Alkalosis ... , Tumor Genesis ... High Kidney Phosphate ... Diagnosis #Algorithm #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypertensive: • High ... aldosteronism • High ... Renin-secreting tumor ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
0.8 Normal + High ... 0.8-2.0 Pure High ... of High Anion Gap ... D-lactate (short bowel syndrome ... Diagnosis #Summary #Nephrology