11 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... Start with the Anion ... than expected based ... Diagnosis: • Anion ... Ingestion • Non-Anion
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Acid Base and Blood ... production Respiratory alkalosis ... - Contraction alkalosis ... Acidosis - non anion ... metabolic acidosis - anion
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Anion gap? ... ↑ ↑ Metabolic alkalosis ... Acidosis ↑ ↓ Resp Alkalosis ... bloodgas #Acid #Base
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... responsive metabolic alkalosis ... resistant metabolic alkalosis ... tubular acidosis • Anion ... • Normal acid-base
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
Acid Base Disorders ... has a primary alkalosis ... >40 patient's alkalosis ... a significant anion ... joshsteinbergMD #Acid #Base
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... responsive metabolic alkalosis ... tubular acidosis Anion ... poisoning Normal acid-base ... indicated causes of anion
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Interpretation and Acid-Base ... acidosis or an alkalosis ... concomitant respiratory alkalosis ... do more work = ANION ... Metabolic #Acidosis #Alkalosis
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
polyuria in the case ... hypernatremia, metabolic alkalosis ... Hypercortisolism #Diagnosis #signs
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
Osmolar Gap ACID-BASE ... - (Cl + НСО3) Anion ... 2)| Metabolic Alkalosis ... pCO2 Respiratory Alkalosis ... PaCO2)/HCO3 Acid base
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Acid-base ... Metabolic alkalosis ... nonreabsorbed anions