1182 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Normal or High PTH: Primary ... or Tertiary hyperparathyroidism ... Diagnosis #Framework #Workup
Approach to a young patient with hypertension
General Evaluation - History and Examination, Basic chemistries (K, eGFR),
↑AIdo/↓PRA: Primary ... essential HTN If work-up ... thyroid disease, hyperparathyroidism ... pheochromocytoma, primary ... early #secondary #workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
• N Vitamin D: Primary ... Hyperparathyroidism ... nephrology #phosphorus #workup
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Primary and Secondary ... Diagnosis Algorithm Primary ... taken at home, work ... hypertension) • Hyperparathyroidism ... #Hypertension #Primary
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
angiography • Primary ... repaired) • Primary ... hyperparathyroidism ... syndromes other than primary ... Causes #Screening #Workup
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Redistribution • Primary ... Hyperparathyroidism ... deficiency • Primary ... Hypophosphatemia #urine #urinary
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
Hyperparathyroidism ... and features of hyperparathyroidism ... #Diagnosis #Hyperparathyroidism ... #Differential #Primary
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism ... - Primary vs Secondary ... Comparison: • Primary ... Hyperparathyroidism ... endocrinology #PTH #Primary
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
hypocalcemia: - Hypoparathyroidism ... Laboratory #Levels #Hyperparathyroidism
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Magnesium - Functional Hypoparathyroidism ... Phosphate, Low PTH - Hypoparathyroidism ... #Hypocalcemia #Workup