13 results
Urine Anion Gap in NAGMA
NA + K - Cl = surrogate for Urine NH4+
NH4+ is excreted
NAGMA NA + K - Cl ... POSITIVE when urinary ... RTA (nb ↑K) - Renal ... NAGMA #diagnosis #differential ... #Urinary
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm - Urinary ... • Normal acid-base ... Metabolic #Alkalosis #Differential ... Algorithm #causes #urinary
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... hyperaldosteronism • High PRA: Renal ... Liddle syndrome #Primary ... Metabolic #Alkalosis #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... • High Urine Cl ... hyperaldosteronism • High PRA: Renal ... Metabolic #Alkalosis #Differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... • Normal Acid-Base ... secreting tumor, Primary ... #Hypokalemia #Differential
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
Acid Base Disorders ... anion gap (Na - Cl ... diagnoses using the differentials ... joshsteinbergMD #Acid #Base ... Worksheet #diagnosis #differential
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urine Na/K/Cl ... protein/Cr - Renal ... - 45% - Pre-renal ... ) - Urinary tract ... Algorithm #Causes #Differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis - Urinary ... Kidney loss of Cl ... poisoning Normal acid-base ... Metabolic #Alkalosis #Urinary ... Algorithm #nephrology #differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based ... ≥100): SIADH, Renal ... water intake (Primary ... #Hyponatremia #differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... FEPO4 ≥ 5% - Renal ... Normal or High PTH: Primary ... Denosumab, Estrogen based ... Hypophosphatemia #Differential