27 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Ketoacidosis, Renal ... loss of bicarb, Renal ... GI loss of H+, Renal ... #workup #Differential ... #Diagnosis #acidosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... syndrome, Congenital adrenal ... - Metabolic acidosis ... #Hypokalemia #diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... • Metabolic acidosis ... loss (Diarrhea) Renal ... Algorithm #causes #potassium
Evaluation of Secondary Hypertension
 • Primary aldosteronism - PRA, PAC
 • Renal artery stenosis - Renal
Evaluation of Secondary ... - PRA, PAC • Renal ... artery stenosis - Renal ... Hypertension #resistant #Evaluation ... #workup #diagnosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... gastrointestinal K loss • Renal ... hypokalemia • Renal ... tubular acidosis ... causes #nephrology #potassium
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... in the urine - Renal ... Renal Loss of HCO3 ... - Renal insufficiency ... Hypoaldosteronism - Renal
Toluene Poisoning - Diagnosis and Management Summary
What is it?  Volatile hydrocarbon, Glue or paint-sniffing, Occupational
Toluene Poisoning - Diagnosis ... effects (inc psych) Renal ... Early raised AG acidosis ... , ↓K+ Renal - chronic ... environment • Potassium
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
oxoproline) • Renal ... Renal acidosis ... hyperkalemia (with renal ... Potassium-sparing ... #differential #diagnosis
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... - Differential Diagnosis ... Shift: • Lactic acidosis ... CKD Increased Renal ... #Framework #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... Mineralocorticoid excess - Renal ... tubular acidosis ... #Differential #Diagnosis ... #Low #Potassium