9 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
3) Now, look at ... the chronicity (acute ... , chronic, or acute ... bicarb, Bicarb shift ... #Evaluation #workup
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Losses: • Normal Acid-Base ... Metabolic acidosis ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... leukemia Measure Urine ... Transcellular Shift ... Denosumab, Estrogen based ... #phosphate #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... poisoning Normal acid-base ... #Algorithm #nephrology ... #differential #diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Low Kidney Phosphate ... Transcellular Shift ... Refeeding Syndrome, Acute ... #Algorithm #nephrology ... #phosphorus #workup
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... and Differential Diagnosis ... electrolytes, urea, uric acid ... #Diagnosis #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Algorithm Cause ... Decreased Intake: • Low ... secretion • Acid-base ... components of acid-base ... #Nephrology #Chloride
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Screening Tests for Acute ... • Serum uric acid ... protein) to exclude metabolic ... chest wall, and low ... • Serum and urine