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Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia due to increased ... Hypercalcemia due to increased ... Hypercalcemia #Causes ... #high #endocrinology
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
urine volume, Increased ... excretion, Increased ... urine volume, Increased ... Mycoplasma infections, High ... differential #diagnosis #causes
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic Algorithm ... and Causes Increased ... LDH • Increased ... Hemolytic #Anemia #Algorithm ... #Differential #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Increased Loss ... Differential #Diagnosis #Algorithm ... #causes #potassium
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
; in some cases, ... ; normal or increased ... multiple areas of increased ... ; normal or increased ... ; increased; decreased
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
- Differential Algorithm ... Categorized by Causes ... Renal Losses (High ... #Differential #Algorithm
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Differential Diagnosis Algorithm ... TTKG should be high ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #high #pathophysiology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Lithium use • Calcium-sensing ... dihydroxy-vitamin D) Increased ... Hypercalcemia #Causes
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
Classification of ... bilirubin) • Increased ... miscellaneous causes ... #Jaundice #Classification ... #differential #causes
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Causes of acute ... quantitative fat Increased ... Factitious diarrhea Increased ... Diarrhea #management #algorithm