12 results
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... Differential Diagnosis Algorithm ... loop or thiazide diuretics ... Vomiting/nasogastric suction ... pressure: Active diuretic
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Vomiting, NGT suction ... Low Cl intake, Diuretics
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Vomiting • NG suction ... #Alkalosis #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Vomiting, NGT suction ... Low Cl intake, Diuretics
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
obstruction • COPD ... Alkalosis - “BLVD ... D - Diarrhea/diuretics ... - Contraction alkalosis ... acidbase #workup #algorithm
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
(Hx of COPD, OSA ... Gas) (-) Likely Metabolic ... Alkalosis Urine ... Adenoma • Remote Diuretics ... #alkalosis #algorithm
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... alkalosis - Fistulas ... RENAL LOSS: - Diuresis ... alkalosis #Hypochloremia ... #Pathophysiology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... Urinary Chloride Algorithm ... loop or thiazide diuretics ... pressure: Active diuretic ... #Metabolic #Alkalosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
alkalosis ↓ ↑ ... alkalosis/Resp ... Vomiting, NG suction ... Volume depletion (diuresis ... lung disease (COPD
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Vomiting • NG suction ... tubular transport • Diuretics