DEPRESSION, ANXIETY, AND OTHER ABNORMAL PSYCHIC STATES

DEPRESSION, ANXIETY, AND OTHER ABNORMAL PSYCHIC STATES: Excerpt from Differential Diagnosis in Primary Care

It is simple enough to administer a sedative and refer the emotionally distressed patient to a psychiatrist, but the astute diagnostician will want to rule out an organic disease first. Almost every endocrine disease is associated with emotional disturbances, all of which are potentially curable. In addition, electrolyte and other metabolic disturbances, chronic anoxia, or failure of any organ system may lead to anxiety, depression, or a psychotic state. The mnemonic VINDICATE will help to recall this important group of disorders. V—Vascular diseases include myocardial infarction, CHF, cerebral arteriosclerosis, and thrombosis. I—Inflammatory diseases recall syphilis, encephalitis, tuberculosis, brain abscess, influenza, pneumonia, and any prolonged infectious state, particularly that of the hospitalized patient with tubes in every orifice. N—Neoplasms include cerebral tumors, tumors of the endocrine glands, and any neoplasm which is metastatic or which affects the metabolism of the body by a hormone or enzyme which it secretes. Pancreatic carcinoma is frequently associated with depression. D—Degenerative diseases and deficiency diseases suggest presenile and senile dementia, pellagra, Wilson disease, and atrophy of the various endocrine glands. I—Intoxication suggests lead poisoning, alcoholism, bromism, hypercalcemia, hypocalcemia, manganese toxicity, hypokalemia, hypovolemia, uremia, anoxia from pulmonary disease, anemia, heart disease, and corticosteroid therapy, as well as many other drugs. Porphyria may cause depression or a psychotic state. C—Congenital suggests the depression associated with many congenital neurologic diseases: epilepsy, muscular dystrophy, Friedreich ataxia, myotonic dystrophy, and the depression associated with congenital heart disease and congenital defects of many organ systems. A—Autoimmune diseases include multiple sclerosis and lupus erythematosus. T—Traumatic disorders include the now well-recognized posttraumatic neurosis or depression, neurocirculatory asthenia, and postconcussion syndrome. Compensation neurosis should be mentioned here. E—Endocrine diseases include hypopituitarism, acromegaly, hypothyroidism, apathetic hyperthyroidism, hypoparathyroidism, hyperparathyroidism, diabetes mellitus, insuloma, hypogonadism, menopause, Cushing syndrome, and adrenal insufficiency.

Approach to the Diagnosis

The association of other symptoms and signs is all important. A triiodothyronine (T₃) level, total thyroxine (T₄) level, and free thyroxine index (FT₄), a urine for porphobilinogen, serum electrolytes, toxicology screen, lead level, 24-hour urine, 17-ketosteroid level, and 17-hydroxycorticosteroid level should be done on anyone suspected of having endogenous depression. (Possibly all depressed patients should get this screen.) Skull x-ray film, EEG, CT scan, and even a spinal tap (to rule out multiple sclerosis [MS] and lues) may be worthwhile when other neurologic signs are present. case presentation #14 A 62-year-old white woman is brought to your office because the family has noticed that she is depressed. The patient has insomnia, frequent nightmares, and weight loss over the past 6 months despite the fact that she has a good appetite.

Book Source Details

• Book Title: Differential Diagnosis in Primary Care
• Author(s): R. Douglas Collins MD, FACP
• Year of Publication: 2007
• Copyright Details: Differential Diagnosis in Primary Care, Copyright © 2007 Lippincott Williams & Wilkins.

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Copyright notice for book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.

More About This Book: Title: Differential Diagnosis in Primary Care Authors: R. Douglas Collins MD, FACP Publisher: Lippincott Williams & Wilkins Copyright: 2007 ISBN: 0-7817-6812-8

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