Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... paraproteinemia, acute ... leukemia Measure Urine ... Insulin/Glucose, Acute ... #phosphate #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... t-PA, heparin Acute ... Rhabdomyolysis, Tumor lysis syndrome ... Diagnosis #Framework #Workup ... #phosphate #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... osmolarity If cause ... #Injury #AKI #Workup ... #causes
Hematuria Workup and Diagnosis Algorithm
 β€’ Confirm hematuria β†’ Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... repeat testing β€’ Acute ... proteinuria, RBC casts ... if cause not identified ... Diagnosis #Algorithm #Workup
Hypocalcemia Workup - Differential Diagnosis Algorithm
 β€’ Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 β€’ High
Hypocalcemia Workup ... Hyperphosphatemia, Acute ... metastases, Hungry bone syndrome ... #Hypocalcemia #Workup ... Diagnosis #Algorithm #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 β€’ Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 β€’ Redistribution/
Malabsorption, Phosphate ... into cells - Acute ... ), Hungry bone syndrome ... Diagnosis #Algorithm #causes ... #nephrology #phosphate
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 β€’ Decreased GI Absorption: Chronic Diarrhea, Antacids,
Shift: Refeeding Syndrome ... , Acute Respiratory ... Tumor Genesis Syndrome ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
in tumor lysis syndrome ... Calcium phosphate ... Magnesium ammonium phosphate ... struvite or "triple phosphate ... Crystals #comparison #table
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 β€’ Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute ... stroke, Acute spinal ... Guillain-BarrΓ© syndrome ... differential #diagnosis #table ... #neurology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... IMPROVEMENT If the urine ... LorinskyMD #AKI #Acute ... KidneyInjury #simplified #workup