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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30 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 β€’ Normal Acid-Base: Low intake
 β€’ Metabolic acidosis: Gl tract
- Differential Diagnosis ... Normal Acid-Base: Low ... #Differential #Diagnosis ... #Algorithm #causes ... #nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... hematuria (RBC casts ... Comparison #Algorithm #Nephrology ... #Diagnosis
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 β€’ Polycystic Ovarian Syndrome
 β€’ Hyperthecosis
 β€’ Tumor
Adrenal
- Differential Diagnosis ... Tumor Low Serum ... #Differential #Diagnosis ... #Algorithm #endocrinology ... #causes
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 β€’ Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential Diagnosis ... Hypercalcemia Low ... PTHrP: - Low ... disease, Viral Syndromes ... Algorithm #Workup #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... consumption β€’ Low ... #Hypokalemia #diagnosis ... differential #potassium #nephrology ... #low
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... β€’ Normal or Low ... - Normal or Low ... #Differential #Diagnosis ... Workup #phosphate #nephrology
Kernig's Sign in Meningitis

Resistance or pain elicited by passive extension of the knees, thought to be
Resistance or pain ... thought to be caused ... #physicalexam #neurology
β–Ί
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
- Urine sodium low ... and uric acid low ... Differential #Algorithm #Diagnosis ... #Nephrology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 β€’ Primary Hyperparathyroidism
 β€’ Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Hypercalcemia Low ... #Differential #Diagnosis ... #Algorithm #causes ... #endocrinology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 β€’ AKI, AKD, rapidly progressive
When to suspect AIN ... sterile pyuria, WBC casts ... proteinuria, granular casts ... #Algorithm #nephrology ... #diagnosis