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Acid Base Disorders - Formulas for appropriate metabolic and respiratory compensation

- Dr Amith Sreedharan - Consultant
Base Disorders - Formulas ... for appropriate metabolic ... #Respiratory #Metabolic ... #Compensation #Formula
Causes of Approach to Altered Level of Consciousness - Workup
Clinical Exam - Focal
 • Trauma
 •
Consciousness - Workup ... Sections Bloodwork - Metabolic ... Bloodwork - No Metabolic ... Encephalitis #Altered #ALOC ... #workup #algorithm
Summary of metabolic compensation for respiratory acid-base disorders
#Diagnosis #Nephro #Respiratory #Acidosis #Alkalosis #Metabolic #Compensation #Formulas #Curbsiders
Summary of metabolic ... Acidosis #Alkalosis #Metabolic ... #Compensation #Formulas
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
done by using formulas ... • Anion Gap Metabolic ... Non-Anion Gap Metabolic ... Bicarb shift • Metabolic ... Disorders #Evaluation #workup
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
• Salicylates Metabolic ... or Cushing’s) Metabolic ... non anion gap metabolic ... nickmmark #acidbase #workup ... #algorithm #diagnosis
QT/QTc- Interval
•	Start of Q-wave to end of the T-wave (time of ventricular depolarization + repolarization).
•	Life threatening
R-R interval (Works ... QTc: • Bazett formula ... • Fridericia formula ... • Rautaharju formula
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Differential Diagnosis Algorithm ... Dioxide Narcosis • Metabolic ... Altered #comatose #aloc ... Differential #Diagnosis #Algorithm
Prediction of Compensatory Responses on Simple Acid-Base Disturbances

#acidbase #compensation #metabolic #respiratory #diagnosis #calculations #formulas #acidosis #alkalosis
#compensation #metabolic ... #calculations #formulas
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Metabolic alkalosis ... #Differential #Algorithm ... Diagnosis #Causes #Workup
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
interval - Only works ... Bazett's Formula ... electrocardiogram #Bazetts #formula