11 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... delta/delta) to see ... Do you need an ABG ... an ABG by adding ... Disorders #Evaluation #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... acidosis: - Diarrhea ... of Metabolic Alkalosis ... Diagnosis #Summary #Nephrology ... #Acid #Base #Gas
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA - Diarrhea ... Metabolic alkalosis ... #Diagnosis #Causes ... #Workup #Nephrology
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Acid Base and Blood ... Alkalosis - “BLVD ... Vomiting D - Diarrhea ... nickmmark #acidbase #workup ... #algorithm #diagnosis
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... Differential Diagnosis Algorithm ... • Normal acid-base ... #Diagnosis #Algorithm ... #causes #urinary
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... poisoning Normal acid-base ... the indicated causes ... #Metabolic #Alkalosis ... #nephrology #differential
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... alkalosis - Fistulas ... NGT suction - Diarrhea ... metabolic alkalosis ... Pathophysiology #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
• Normal Acid-Base ... Low intake • Metabolic ... Gl tract loss (Diarrhea ... #causes #potassium ... #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... tubal acidosis and metabolic ... alkalosis, Ketonuria ... losses, Vomiting, Diarrhea ... #Causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis ... inhibitor, Estrogen based ... #nephrology #phosphorus ... #workup