32 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
• Metabolic Acidosis ... • Respiratory Acidosis ... (pCO2 > 40 mmHg ... Respiratory Alkalosis (pCO2 ... Diagnosis #Algorithm #Causes
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... Respiratory Acidosis ... Medications, Central, ↑ CO2 ... nickmmark #acidbase #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Acetazolamide Causes ... - Salicylates Causes
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
patient have an acidosis ... Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... need to do more work
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
Renal tubular acidosis ... conditions all of which cause ... result: a metabolic acidosis ... different types/causes ... RenalTubularAcidosis #Features #Table
Unmeasured Anions Associated with an Elevated Anion Gap and Metabolic Acidosis

#Unmeasured #Anions #Gap #Metabolic #Acidosis #Diagnosis
and Metabolic Acidosis ... Gap #Metabolic #Acidosis ... Diagnosis #Nephrology #Table ... #Differential #Causes
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
are they more acidotic ... and ~5 mmHg to pCO2 ... Gap Metabolic Acidosis ... : Lactic Acidosis ... Disorders #Evaluation #workup
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Hydrogen Ion (acidosis ... Differential #Diagnosis #Table
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Differential Algorithm Acidosis ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Renal tubular acidosis ... Low #Potassium #Table ... Classification #Causes