614 results
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Causes of Nephrolithiasis ... - Differential ... solubility: • Low ... Nephrolithiasis #Nephrology ... #Differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... filling of bucket (low ... intake) 2. ... #Hypokalemia #Differential ... #workup #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... intake • Metabolic ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes ... #nephrology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Normal Radioiodine Uptake ... Trophoblastic Neoplasm Low ... Radioiodine Uptake ... endocrinology #causes
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... by suppressed uptake ... focal increased uptake ... by suppressed uptake ... #hyperthyroid #differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... #Differential #
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Cl intake, Diuretics ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology ... #Causes
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... - Differential ... • Increased Intake ... #Hyperkalemia #Nephrology ... #Differential #
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Primary polydipsia, Low ... solute intake, ... hyponatremia #diagnosis #differential ... #algorithm #causes ... #nephrology
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes ... Radionucleotide Uptake ... Reduced uptake ... Focal increased uptake ... #differential #