9 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Do you need an ABG ... Generally, for acid ... ~0.05 to pH and ... Ketoacidosis, Renal
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... - Diarrhea - Renal ... Summary #Nephrology #ABG ... #bloodgas #Acid
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
OTCs, herbals, abx ... protein/Cr - Renal ... /bladder US w/ PVR ... - CPK, uric acid ... - 45% - Pre-renal
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Interpretation and Acid-Base ... acidosis or an alkalosis ... Look at the pH 2 ... AmyChung #AcidBase #ABG
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
lactate NOT lactic acid ... Saline Causes AKI ... filtration - Renal ... blood flow and renal ... Instability: - Renal
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
consequence of fatty acid ... ketoacidosis (AKA ... gap acidosis (pH ... blood glucose (BG ... marked increase in BG
1
Consumption of organic anions
2
Demineralization
3
Lactate, dissociated fatty acids, etc.
Metabolism
Ht consumptiont
cos-
РО}-
HPOT
HCO3
Hyperventilation
CO, output with expiration†
6
Vomiting
Нуро-
kalemia
Нуро-
volemia
H
HCO;
4
ЗНСОз
Nat
5
Na
Proximal tubules
Hypopara-thyroidism
Aldosteronet
7
Liver failure
Urea
Distal nephron
NH4
Cys •-
Met
dissociated fatty acids ... deficiency 8 Arg ... 个个 [H*] PrH pH ... [HC03] >7.45 #Alkalosis
1
Formation of organic acids
Lactate, dissociated fatty acids, acetic acids, etc.
Metabolism
H formationt
4
Hyperkalemia
ЗНСО,
Na
2
Mineralization
3
Hypoventilation
CO;
POA
3-
HCO;
6
CO, output # with expiration
Diarrhea
5
H*-
Proximal tubule
Renal
Formation of organic acids ... , acetic acids, ... Proximal tubule Renal ... Hypoaldo- steronism Arg ... 8 [Co] HO pH
#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
#ICUCard RENAL ... (Na U(U/P Cr) Renal ... 2)| Metabolic Alkalosis ... 50mmHg (acute I pH ... on FIO2 < 50% pH