9 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... resp. alkalosis ... FEPO4 ≥ 5% - Renal ... Denosumab, Estrogen based ... Workup #phosphate #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... algorithm #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based ... can be high or low ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Acute or chronic ... D-lactate (short bowel syndrome ... MDaniyalHashmi1 #AcidBase ... Diagnosis #Summary #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... , Acute Respiratory ... Alkalosis, Tumor ... inhibitor, Estrogen based ... Diagnosis #Algorithm #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
• Normal/low ... , Gitelman syndrome ... poisoning Normal acid-base ... the excretion of sodium ... urine #Algorithm #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... thiazide-sensitive sodium ... • Normal or low ... , Renal tubular ... #diagnosis #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... Torsemide) • Acute ... hyperaldosteronism • Acute ... Excretion #Diuresis #Nephrology ... #Medications #Table
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
#ICUCard RENAL ... 0.6*Wt Required Sodium ... (Na U(U/P Cr) Renal ... Osmolar Gap ACID-BASE ... Distress Syndrome