28 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... or alkalotic than ... Differential Diagnosis ... Disorders #Evaluation #workup ... #Differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... ↑ ↓ Resp Alkalosis ... Step 5 - Differential ... - Adrenal insufficiency ... Base #Gas #VBG #differential
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Metabolic alkalosis ... Renal artery stenosis ... Diagnosis #Causes #Workup
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
- Differential ... Diagnosis Workup ... Insufficiency #Differential ... #Diagnosis #Workup ... #Algorithm #endocrinology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... Framework and Workup ... Calculate Anion Gap - UAG ... Metabolic #NAGMA #Differential ... #Diagnosis #Workup
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Benign Adrenal Mass ... - Differential ... • Congenital Adrenal ... /- Hypokalemia/Alkalosis ... Diagnosis #Algorithm #Endocrinology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Mineralocorticoid excess - Renal ... tubular acidosis ... Catecholamines - Alkalosis ... #Hypokalemia #Differential
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
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... UNa > 20: • Renal ... tubal acidosis ... and metabolic alkalosis ... #Hyponatremia #Differential
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