31 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
resorption: • Primary ... due to decreased urinary ... calcium)-alkali syndrome ... #Causes #differential ... calcium #high #endocrinology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... - Differential ... Diagnosis Algorithm - Urinary ... , Gitelman syndrome ... #Alkalosis #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... , Gitelman Syndrome ... #Primary #Metabolic ... #Alkalosis #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... , Gitelman Syndrome ... aldosteronism #Metabolic ... #Alkalosis #Differential
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... Alkalosis - Differential ... • Primary hyperaldosteronism ... <2 mmol/L) #Metabolic ... #Alkalosis #Differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... - Urinary Chloride ... , Gitelman syndrome ... #Metabolic #Alkalosis ... Algorithm #nephrology #differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... or normal): • Primary ... Lymphoma: NHL, CML ... #Differential # ... Algorithm #causes #endocrinology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... and Management ... Disease (CKD) - Metabolism ... #endocrinology ... #differential #algorithm
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Gas) (-) Likely Metabolic ... Alkalosis Urine ... Contraction Urine Cl ... Mineralocorticoid • Primary ... Barter, or Gitelman Syndrome
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 ... hypocalciuric hypercalcemia ... #Causes #Differential ... #Diagnosis #Endocrinology