22 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... Do you need an ABG ... Differential Diagnosis ... Ketoacidosis, Renal ... Evaluation #workup #Differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... ) = {Na - (Cl + ... acidosis Step 5 - Differential ... - Diarrhea - Renal ... #differential
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... shadows on the retina ... suggestive of retinal ... floaters: • Myopia ... #Floaters #Differential
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Epithelial Cells Renal ... syndrome - Na-K-2Cl ... barrtin (recruits Cl ... receptor Distal renal ... Nephrology #Diagnosis #Differential
Urine Anion Gap in NAGMA
NA + K - Cl = surrogate for Urine NH4+
NH4+ is excreted
NAGMA NA + K - Cl ... excreted with Cl ... increasing negative AG ... RTA (nb ↑K) - Renal ... NAGMA #diagnosis #differential
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Acidosis (NAGMA) - Differential ... NAGMA - Chem, ABG ... or VBG - Calculate ... Renal Loss of HCO3 ... Metabolic #NAGMA #Differential
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
OTCs, herbals, abx ... - Urine Na/K/Cl ... protein/Cr - Renal ... - 45% - Pre-renal ... Algorithm #Causes #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... NGT suction, Low Cl ... • High Urine Cl ... hyperaldosteronism • High PRA: Renal ... Metabolic #Alkalosis #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... NGT suction, Low Cl ... • High Urine Cl ... hyperaldosteronism • High PRA: Renal ... Metabolic #Alkalosis #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... symptomatology Differential ... testing: anti-ANCA ab ... , anti-GBM ab, ANA ... #Syndrome #differential