Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief ๐Ÿ‡ต๐Ÿ‡ญ ๐Ÿ‡บ๐Ÿ‡ธ - 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 of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 โ€ข Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential ... Diagnosis Algorithm ... Low PTH: โ€ข High ... PTHrP: Malignancy ... PTHrP: - Low
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 โ€ข High Al, Low R - Primary aldosteronism
 โ€ข High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Hyperaldosteronism: malignant ... #Differential # ... #nephrology #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 โ€ข Normal Acid-Base: Low intake
 โ€ข Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Syndrome โ€ข HTN, High ... Aldosterone: Malignant ... #causes #potassium
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 โ€ข Primary Hyperparathyroidism
 โ€ข Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Algorithm Elevated ... PTH (High or normal ... Low PTH: โ€ข Elevated ... #causes #endocrinology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... urinary losses: โ€ข High ... โ†‘ Aldosterone: Malignant ... consumption โ€ข Low ... #differential #
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... insufficiency likely: โ€ข High
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure โ†’ Dialysis with low Ca++ bath
Aggressive IV hydration
Treatment algorithm ... for malignancy-associated ... Dialysis with low ... Calcitonin Refractory Cases ... #Treatment #algorithm
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 algorithm ... diuresis can be high ... : Hypovolemia, Hypervolemia ... #Hyponatremia #differential
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isnโ€™t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... an underlying cause ... levels: realllly low ... levels: normal/high
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 โ†’ start cefepime ยฑ vancomycin (if
LDH, low Ca - ... d-dimer, low fibrinogen ... Treat underlying cause ... plasmapheresis Hypercalcemia ... of malignancy: