Unit 3 Head And Neck Flashcards
(115 cards)
What is a tracheal tug
Downward displacement of the cricoid cartilage with each ventricular contraction
What happens when a downward tug of the trachea is synchronized with systole
Reveals the presence of an aortic arch aneurysm
What is campbell’s sign
The downward displacement of the thyroid cartilage during inspiration due to COPD
What does campbell’s sign displacement correlate with
The severity of compromise of the FEV
What causes campbells sign
Due to strong diaphragmatic contractions of COP patients
What is craniotabes of infants
Softening of the outer table of the skull
What is transillumination used for
You transilluminate the skull of infants who have suspected intracranial lesions or a rapidly increasing head circumference
Why is transillumination performed less often today
Because the availability of computed tomograpy (CT) scan
What is macewen sign
Use percussion of the skull that results in stronger resonant sound when either hydrocephalus or a brain abcess is present
Children up to 5 years with anemia have what commonly
Bruits
When auscultating a patient with a goiter or findings of hyperthyroidism what can be present
A bruit can be heard indicating increased vascularity
Bruit found in someone exibiting hyperthyroidism is a strong. Indicator of what?
Grave thyrotoxemia
What is the upper limit of the thyroid gland
15-25 gm
Where are most people iodine deficient
Mountainous regions/away from the sea
What is a thyroid gland that has posterior extracapsular tissue extending superiorly from the posterior aspect of the tongue
Lingual thyroid and can extend into the mediastinum
Who exhibits false positives
Thin patients, long necklines (psuedogoiters), fat pad,
What causes false negatives
Inadequate exam, short/thick neck, atypical/ectopic placement of thyroid
What is a chronic enlargement of the thyroid
A goiter
What causes a goiter
Non neoplastic nor inflammatory process, it is result of hypertrophy or degeneration of the gland
When do fetal thyroid glands become functional
In the second trimester
What is a skin and tissue disorder usually due to severe/prolonged hypothyroidism
Myxedema
What is it called when autoimmune antibodies are sent to thyroid-stimulating hormone receptor, leading to overactive thyroid
Graves disease
What is an autoimmune antibodies against the thyroid gland causing hypothyroidism
Hashimoto disease
What happens to the rate of T4 production and degradation with aging
It gradually decreases because the thyroid gland becomes more fibrotic