Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - 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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diagnosis endocrinology nephrology potassium hypokalemia low hyperkalemia hypomagnesemia hypomg hyponatremia hypotonic insufficiency magnesium physiologic sodium workup
Hyperkalemia: Diagnostic algorithm Decreased renal potassium excretion • Acute renal failure • Chronic renal failure • Drugs Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Renin High: • Primary ... 1 #Hyperkalemia ... nephrology #potassium #differential
Causes of Hypokalemia - Differential Diagnosis Algorithm Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... tubular acidosis (type ... syndrome, Congenital adrenal ... #diagnosis #algorithm
Hypokalemia - Differential Diagnosis Poor Intake - Starvation - Anorexia GI Losses - Vomiting / NG
Hypokalemia - Differential ... Ureterosigmoidostomy Urinary ... Low #Potassium #Table ... #Classification ... #Causes
Hypercalcemia - Differential Diagnosis Algorithm Elevated PTH (High or normal): • Primary Hyperparathyroidism • Familial Hypocalciuric Hypercalcemia Low
Differential Diagnosis ... Algorithm Elevated ... or normal): • Primary ... Tumors: Lung, SCC, renal ... #causes #endocrinology
Causes of Hypercalcemia Parathyroid hormone–dependent Primary hyperparathyroidism Familial hypocalciuric hypercalcemia Lithium-associated Tertiary hyperparathyroidism Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hormone–dependent Primary ... endocrine neoplasia type ... 1 or type 2A, familial ... #Causes #Differential
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 Adrenal Insufficiency Differential Diagnosis Algorithm Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... baseline ACTH - Primary
Hypomagnesemia - Etiologies by Mechanism Decreased GI Uptake - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Hypothyroidism, Adrenal ... water intake (Primary ... #Hyponatremia #differential ... #diagnosis #table
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