124 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... Losses Non-renal ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Renal Tubular Disorders

 • Distal Renal Tubular Acidosis (Type 1)
 • Proximal Renal Tubular Acidosis (Type
Tubular Acidosis ... Tubular Acidosis ... Tubular Acidosis ... #Tubular #Acidosis ... pathophysiology #nephrology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm Low ... oral intake Renal ... Nonreabsorbable anions • Renal ... tubular acidosis ... Transcellular shift
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... • Metabolic acidosis ... loss (Diarrhea) Renal ... • Metabolic acidosis ... #nephrology
Renal Tubular Acidosis - Diagnosis Algorithm
 • Hyperkalemic Type 4 RTA
 • Hypokalemic Type 1 RTA
Renal Tubular Acidosis ... RTA • RTA of renal ... Type 2 RTA #RTA #Renal ... #Tubular #Acidosis ... Diagnosis #Algorithm #nephrology
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
3) Now, look at ... Ketoacidosis, Renal ... loss of bicarb, Renal ... bicarb, Bicarb shift ... GI loss of H+, Renal
Renal Tubular Acidosis (RTA) Diagnosis and Management
 • Distal (type 1) RTA
 • Proximal (type 2)
Renal Tubular Acidosis ... 4) RTA #rta #Renal ... #Tubular #Acidosis ... Diagnosis #Management #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... cells FEMg >4% = renal ... magnesium loss if renal ... diagnosis #causes #nephrology ... #magnesium #low
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Differential Algorithm Acidosis ... Intracellular Shift ... Renal artery stenosis ... Causes #Workup #Nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Normal Anion-Gap Acidosis ... Tubular Acidosis ... • Serum K low ... • Serum K: low ... Diagnosis #Workup #nephrology