13 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... : Work-up similar ... high T4 +/- T3 → Primary ... T3 → Central (secondary ... #algorithm #diagnosis
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... Tests - Prolonged ... #APTT #Laboratory ... Hematology #Diagnosis #Workup
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Primary and Secondary ... Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... taken at home, work ... Differential #Diagnosis #Algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... salivary cortisol • Hypothyroidism ... • Hyperthyroidism ... Acromegaly #Secondary ... Causes #Screening #Workup
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Liver Function Tests ... TSH & T4: • Hypothyroidism ... • Hyperthyroidism ... #secondary #systemic
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... Diabetes • Hypothyroidism ... Deficiency • Primary ... #Dyslipidemia #Abnormal
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... Standard Stim test ... this indicates normal ... Insufficiency #Diagnosis #Algorithm ... #Stimulation #Test
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Primary Adrenal ... autoimmune-mediated primary ... aldosterone - Often normal ... Insufficiency #Evaluation #laboratory ... endocrinology #workup
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary ... Differential Diagnosis Algorithm ... Liver Function Tests ... • Hyperthyroidism ... #Pruritus #secondary
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Differential Diagnosis Algorithm ... by age 16 with secondary ... age 14 without secondary ... Hyperprolactinemia • Hypothyroidism