41 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... • Low TSH, Low ... T4 +/- T3 → Primary ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... ↑↔TSH, ↑Total T3 ... Graves disease • Low ... Iodine Scan - Low ... Differential #Diagnosis #Algorithm
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... iodine uptake Hypothyroidism ... positive • Ablative hypothyroidism ... • Infantile hypothyroidism
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... /T3) - Diagnostic ... Algorithm Radioactive ... #Hyperthyroidism
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Diagnosis: • ↓ Low ... TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3 ... #causes #diagnosis
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Differential Diagnosis Algorithm ... Challenge • Hypothyroidism ... • Hyperthyroidism ... Challenge • Functional ... endocrinology #causes
Thyroid Function Pathway 

Hypothyroidism is a very common condition! Here's a repost of the pathway that
Thyroid Function ... Pathway Hypothyroidism ... HIGH TSH and a low ... because if T4 is low ... stimulate more T4/T3
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Systemic and Primary Causes ... Mellitus Liver Function ... • Hyperthyroidism ... #causes
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Differential Diagnosis Algorithm ... Trophoblastic Neoplasm Low ... Struma Ovarii #Hyperthyroidism ... endocrinology #causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Differential Diagnosis Algorithm ... - Normal Liver Function ... Abnormal Liver Function ... #Causes #Hematology