54 results
Exogenous Testosterone Side Effects
 • Mood disorder, Depression, Aggression
 • ↑ Erythropoiesis
 • Hypogonadism +/-BPH, prostate
Exogenous Testosterone ... BrighamChiefs #Exogenous
Differential Diagnosis of Hypoglycemia
Evaluation of Hypoglycemia
Patients with known diabetes who are not systemically ill and can
Drugs #Malignancy #Exogenous
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Pathophysiology EXOGENOUS ... components Exogenous ... proinflammatory mediators (endogenous ... , IFN, IL-6 ENDOGENOUS ... organs CNS - Endogenous
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
Diagnosis Algorithm Exogenous ... ACTH-independent) Endogenous
Hyperthyroidism and Thyrotoxicosis Interpretation Table
 - Autonomy (Graves)
 - Autonomy (toxic nodule)
 - Exogenous thyroid hormone
toxic nodule) - Exogenous
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
hypersensitivity response to exogenous
Staging of Skin Mottling

Mottling is less sensitive, but more specific for hypoperfusion and elevated mortality (figure
suggests active endogenous ... not additional exogenous
Hypoglycemia - Evaluation Algorithm
Interpreting Hypoglycemia Labs - the patient must be hypoglycemic at the time of
Proinsulin - Is it endogenous ... → Exogenous Insulin
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Phosphate Load: • Exogenous ... Fosphenytoin • Endogenous
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroiditis • Exogenous