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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12 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 β€’ Normal Acid-Base: Low intake
 β€’ Metabolic acidosis: Gl tract
SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Acute Pharyngitis: Differential Diagnosis
Infectious:
 β€’ Respiratory viruses (25-45%)
 β€’ Group A Strep (5-15%)
 β€’ Other bacteria:
Acute Pharyngitis ... -15%) β€’ Other bacteria ... tularemia β€’ STDs: Acute ... Retroviral Syndrome ... Differential #Diagnosis #causes
Etiologies of Peripheral Neuropathy
 β€’ Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 β€’ Medication-induced: ART, Antibiotics,
Paraprotein-associated (POEMS syndrome ... Fabry's disease, Acute ... differential #diagnosis #causes ... #neurology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 β€’ AKI, AKD, rapidly progressive
Algorithmic Approach to Acute ... ; oliguria β€’ Classic ... sterile pyuria, WBC casts ... MatthewHoMD #Acute ... AIN #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... Insulin/Glucose, Acute ... Tumor genesis syndrome ... FGF-23: Fanconi syndrome ... Workup #phosphate #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... ↓ Aldosterone: Syndrome ... , Gitelman syndrome ... differential #potassium #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differential Diagnosis: Causes ... starvation, diabetic) Causes ... Acetazolamide Causes ... - Salicylates Causes ... Diagnosis #Summary #Nephrology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... demonstrated the classic ... diagnosis of Horner's syndrome ... experience, the cause ... #physicalexam #neurology
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Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
recovery rate of bacteria ... intra-cellular bacteria ... but important causes ... factors: - Serology ... antiphospholipid syndrome
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... One and a Half Syndrome ... fasciculus), which causes ... The most common causes ... ophthalmology #neurology
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