34 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Pseudohyperparathyroidism, Renal ... failure, Addison's ... #Causes #differential ... calcium #high #endocrinology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm Low ... oral intake Renal ... Nonreabsorbable anions • Renal ... Diagnosis #Algorithm #Causes ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... - Transient renal ... - Familial renal ... Differential #Diagnosis #Low ... #Causes #Workup
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Low PTH: • Elevated ... Tumors: Lung, SCC, renal ... Diagnosis #Algorithm #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–independent Renal ... failure, acute ... thyrotoxicosis, adrenal ... #Diagnosis #Endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Intake • Chronic Renal ... Prolactin + Normal/ Low ... Production • Renal ... Diagnosis #Algorithm #Endocrinology ... #Causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Mineralocorticoid excess - Renal ... Differential #Diagnosis #Low ... Potassium #Table #Classification ... #Causes
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Creatinine • Chronic renal ... failure • AKI ... • ACEi/ARB • Adrenal ... • NSAlDs #Hyperkalemia
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
Hypercalcemia - ... Renal Failure → ... Dialysis with low ... Calcitonin Refractory Cases ... algorithm #management #endocrinology
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Types of Renal Calculi ... , Renal tubular ... Hyperuricemia, Renal ... to treat heart failure ... Calculi #Types #Renal