31 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
the Anion Gap (AG ... expected based on the AG ... the change in AG ... Do you need an ABG ... Disorders #Evaluation #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
: Anion Gap (AG ... Delta: Delta = (AG ... Pure Normal AG ... Normal + High AG ... 2.0 Pure High AG
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... Framework and Workup ... NAGMA - Chem, ABG ... Anion Gap - UAG ... #Diagnosis #Workup
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
- Differential ... Diagnosis Workup ... Insufficiency #Differential ... #Diagnosis #Workup ... #Algorithm #endocrinology
Hypoglycemia Workup and Differential Diagnosis
Workup:
 • Sulfonylurea Labs
 • Anti-lnsulin Ab - Insulin Autoimmune Syndrome
 •
Hypoglycemia Workup ... and Differential ... Diagnosis Workup ... #Differential # ... Diagnosis #insulinoma #endocrinology
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
Checklist for Evaluation ... - CBC with differential ... - ABG/VBG only ... tox/infectious workup ... Delirium #Evaluation #Workup
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... - Differential ... Shift: • Lactic acidosis ... CKD Increased Renal ... Diagnosis #Framework #Workup
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Hyperphosphatemia - Differential ... or Respiratory Acidosis ... PO4 < 20%: • Renal ... HighPhosphate #Differential ... Diagnosis #Algorithm #endocrinology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Renal artery stenosis ... #Hypokalemia #Differential ... Diagnosis #Causes #Workup
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
- Differential Diagnosis ... Beta-Agonists, ↑ work ... liver Failure, Renal ... • Presents as AG ... #Differential #