1636 results
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Radionucleotide Uptake ... Reduced uptake ... Generalized increased uptake ... Focal increased uptake ... #radionuclide #uptake
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
• Increased Intake ... #Hyperkalemia #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Inadequate water intake ... Excessive salt intake ... Diagnosis #Causes #nephrology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
radioactive iodine uptake ... areas of increased uptake ... by suppressed uptake ... focal increased uptake ... by suppressed uptake
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
• High protein intake ... • High salt intake ... • High protein intake ... • Low calcium intake ... Nephrolithiasis #Nephrology
Chvostek Sign on Physical Exam

Young man presented with history of fatigue, muscle cramps and features suggestive
following poor intake ... Update: See https
Graves Disease - Autoimmune Hyperthyroidism
Epidemiology: Most common cause of hyperthyroidism, Incidence peaks at 30-50
Diagnosis: 
1 )
consider radioiodine uptake ... Methimazole/PTU (take ... Radioactive iodine (take
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypodipsia - Decreased intake ... • Inadequate intake ... Hypernatremia #Nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
polydipsia, Low solute intake ... algorithm #causes #nephrology
Uremic Asterixis on Physical Exam

Dr. Arvind Canchi @arvindcanchi

#Uremia #Asterixis #PhysicalExam #clinical #video #neurology #nephrology
clinical #video #neurology ... #nephrology