7 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Tertiary Lab Comparison ... , ↑Vitamin D, ↓Phosphate ... ↓Vitamin D, ↑↓Phosphate ... signs, Fragile bones ... easily/weakness, Bone
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... metastases, Hungry bone ... #Hypocalcemia #Workup ... #Differential #
Amyloidosis - Workup and Diagnostic Algorithm
 • Serum Immunofixation and Serum Free Light Chains
 • Biopsy
Amyloidosis - Workup ... skin, fat pad, bone ... chain ratio • Bone ... CMP, alkaline phosphatase ... , calcium • TnT
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... Fractional Excretion of Phosphate ... alkalosis, Hungry bone ... #phosphate #nephrology
Characteristics of Commonly Used Phosphate Binders 
Aluminum 
 - Potent and effective 
 - Useful for
Commonly Used Phosphate ... risk of adynamic bone ... increased risk of low bone ... amzn.to/34t5DgJ #Phosphate ... Binders #Table #Comparison
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... phosphate (including ... the subchondral bone ... rheumatology #approach #workup ... #differential #
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
Phos), CBC with differential ... - Infectious workup ... to avoid (main ones ... Beta-blockers, calcium