11 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... : Work-up similar ... to hyperthyroidism ... T3 → Central (secondary ... #algorithm #diagnosis
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... salivary cortisol • Hypothyroidism ... • Hyperthyroidism ... Acromegaly #Secondary ... #Screening #Workup
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... ACTH) stimulation test ... baseline ACTH - Secondary ... Differential #Diagnosis #Algorithm
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... Secondary Adrenal ... - If the secondary ... secretion; in chronic secondary ... endocrinology #workup
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Differential Diagnosis Algorithm ... taken at home, work ... aldosteronism) • Hyperthyroidism ... hypertension) • Hypothyroidism ... Differential #Diagnosis #Algorithm
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... unclear (often the case ... Standard Stim test ... #Stimulation #Test
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Systemic and Primary Causes ... Liver Function Tests ... Pruritus #primary #secondary ... #causes
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Differential Diagnosis Algorithm ... Liver Function Tests ... • Hyperthyroidism ... #Pruritus #secondary ... #causes
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... an underlying cause ... you’ll do a good workup ... Best to have an ... #workup #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... in primary or secondary ... deficiency Work ... Fecal occult blood test