7 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... salicylates) R Renal ... - Diarrhea - Renal ... acidosis/Chronic renal ... #bloodgas #Acid
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Generally, for acid ... an ABG by adding ... ~0.05 to pH and ... Ketoacidosis, Renal
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... Acidemia (pH < ... mmHg) Alkalemia (pH ... • Metabolic Alkalosis ... #Causes #Compensation
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... - Diarrhea pH ... Metabolic alkalosis ... Renal artery stenosis ... #Diagnosis #Causes
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
OTCs, herbals, abx ... /bladder US w/ PVR ... - CPK, uric acid ... rhabdo/TLS) Causes ... Nephrology #Diagnosis #Algorithm
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Causes of Urinary ... NOT distended on ultrasound ... • Uric acid ... on ultrasound, ... #Causes #Urology
#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