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Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function Test ... Associated Condition #Diagnosis ... #Endocrinology ... #Hyperthyroid #Hypothyroid ... FreeT3 #FreeT4 #Labs
Hyperthyroid States - Comparison Table - Laboratory Findings via RebelEM @srrezaie

#Diagnosis #Endocrinology #Hyperthyroid #States #Comparison #Table
Hyperthyroid States ... RebelEM @srrezaie #Diagnosis ... #Endocrinology ... FreeT3 #FreeT4 #Labs ... Interpretation #TFTs #Tests
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... high; in some cases ... free T4 low in a newborn ... differential #diagnosis ... #endocrinology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... #endocrinology ... #workup
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... wave → PEA/VF • Labs ... Cortisol+ACTH stim test ... only if no clear cause ... Elimination (see Table