21 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
delta/delta) to see ... Do you need an ABG ... approximates an ABG ... the chronicity (acute ... , chronic, or acute
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Metabolic alkalosis ... Metabolic alkalosis ... acidosis: - Diarrhea ... of Metabolic Alkalosis
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... - Differential ... Diagnosis Algorithm ... #Alkalosis #Differential ... #causes #urinary
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... Urinary Chloride Algorithm ... the indicated causes ... #Metabolic #Alkalosis ... #nephrology #differential
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Diagnosis Algorithm ... pH < 7.35) • Metabolic ... Acidosis (HCO3 ... Alkalosis (HCO3 ... #Causes #Compensation
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... Metabolic alkalosis ... #Causes #Workup
Tachypnea - Evaluation and Differential Diagnosis Algorithm
Alkalemia:
 • Acute Respiratory Alkalosis
 • Chronic Hypercapnic Respiratory Failure
Evaluation and Differential ... Diagnosis Algorithm ... Alkalemia: • Acute ... Acidemic: • Metabolic ... Acidosis with Respiratory
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential ... with renal tubal acidosis ... and metabolic alkalosis ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... acidosis: Gl tract ... loss (Diarrhea) ... #causes #potassium
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... NGT suction - Diarrhea ... metabolic acidosis ... metabolic alkalosis