21 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... #Algorithm #causes ... #potassium #low
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
The Diagnostic Approach ... transplant - SLE ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Laxative use • Diarrhea ... consumption • Low ... #Hypokalemia #diagnosis ... #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Algorithm Increased ... - Increased Urinary ... #Algorithm #causes ... #potassium #low
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
• Weakness • Low-grade ... Serum DHEAS Diagnosis ... Check sodium, potassium ... addisons #disease #endocrinology ... #diagnosis #signs
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... NG drainage - Diarrhea ... Ureterosigmoidostomy Urinary ... #Low #Potassium ... Classification #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Algorithm Elevated ... or normal): • Primary ... Hypercalcemia Low ... #Algorithm #causes ... #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Algorithm High ... Prolactin + Normal/ Low ... + High TSH • Primary ... #Algorithm #Endocrinology ... #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... #Algorithm #Causes
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
TSH, Low normal ... T4 +/- T3 → Primary ... Hyperthyroidism → Signs ... Hyperthyroidism #algorithm ... #diagnosis #endocrinology