29 results
Acid-Base Disorders - Differential Diagnosis Framework

 • Respiratory Acidosis
 • Respiratory Alkalosis
 • Metabolic Acidosis
 •
Acid-Base Disorders ... - Differential ... AcidosisMetabolic ... AcidBase #Acid #Base #Disorders ... #nephrology #differential
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base Disorders ... Evaluation and Differential ... chronic) of the disorder ... Differential Diagnosis ... #Acid #Base #Disorders
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... - Differential ... pH < 7.35) • Metabolic ... Acidosis (HCO3 ... #Differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Differentials? ... Metabolic acidosis ... disease (COPD, OSA ... #AcidBase #disorders
Causes of Non-Anion Gap Metabolic Acidosis - USED PART Mnemonic
U: Urinary diversion/ Ureteroenterostomy
S: Small Bowel Fistula
E:
Non-Anion Gap Metabolic ... Acidosis - USED ... Acetazolamide R: RTA ... #Acidosis #USEDPART ... Mnemonic #Causes #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Low intake • Metabolic ... acidosis: Gl tract ... acidosis: Proximal ... and distal RTA,
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
Acid Base Disorders ... patient's alkalosis is metabolic ... is metabolic Step ... diagnoses using the differentials ... Worksheet #diagnosis #differential
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
(Hx of COPD, OSA ... , CNS/muscular disorders ... for Respiratory Acidosis ... Gas) (-) Likely Metabolic ... Bicarbonate #Elevated #metabolic
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Proximal RTA (type ... Distal (classic) RTA ... aniongap #NonGap #Metabolic ... #Acidosis #differential
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Normal Anion-Gap Acidosis ... (NAGMA) - Differential ... Renal Tubular Acidosis ... #Metabolic #NAGMA ... #Differential