18 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic alkalosis ... Metabolic alkalosis ... of Metabolic Alkalosis ... disease (COPD, OSA
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... the indicated causes ... acidosis, a high ... of sodium and potassium ... Algorithm #nephrology #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... and distal RTA, ... Syndrome • HTN, High ... Diagnosis #Algorithm #causes ... #potassium #low
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... Alkalosis - Differential ... chloridorrhea - High-volume ... <2 mmol/L) #Metabolic ... #Alkalosis #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... Alkalosis: Emesis ... acidosis: Proximal ... RTA, Distal RTA ... diagnosis #Algorithm #differential
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Acidosis Causes ... of High-anion Gap ... Potassium-sparing ... #Acidosis #differential
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... Metabolic alkalosis ... Algorithm #Diagnosis #Causes
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... show anion-gap metabolic ... acidosis 4) Presentation ... Alkalosis, High ... Lactate, Low Potassium
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... Metabolic Acidosis ... - Differential ... Negative U net charge High ... Cell Problem - High
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... chronic respiratory acidosis ... • Severe potassium ... #Alkalosis #Differential