Study Notes

HERPES SIMPLEX An infection with herpes simplex virus characterized by one or many clusters of small vesicles filled with clear fluid on slightly raised inflammatory bases. The two types of herpes simplex virus (HSV) are HSV-1 and HSV-2. HSV-1 commonly causes herpes labialis, herpetic stomatitis, and keratitis; HSV-2 usually causes genital herpes, is transmitted primarily by direct (usually sexual) contact with lesions, and results in skin lesions Primary i…

Gross Features of the Tongue The dorsum of the tongue is divided by a V-shaped sulcus terminalis into anterior oral (presulcal) and posterior pharyngeal (postsulcal) parts. The apex of the V is posterior and the two limbs diverge anteriorly. The oral part forms about 2/3 of the tongue and the pharyngeal part forms about 1/3.   Oral Part of the Tongue This part is freely movable, but it is loosely attached to the floor of the mouth by th…

DIAGNOdent: Infrared Diode Laser (650 nm), Score Range 0-99 Technology Specifications: Wavelength: 650 nm (red diode laser) Score range: 0-99 numerical scale Detection method: Fluorescence measurement Manufacturer: KaVo (Germany) Working Principle: Laser emission: 650 nm infrared light Tissue interaction: Excites bacterial porphyrins Fluorescence detection: Measures emitted light Quantification: Converts to numerical score (0-99) Score I…

DIAGNOSIS Affective disorders: I. unipolar depression – depression alone bipolar affective disorder – alternating II. bipolar affective disorder – alternating depression and mania Diagnosis is based on  At least five of the following for 2 weeks I. Depressed mood most of the day II. Markedly diminished interest or pleasureII. Markedly diminished interest or pleasure III. Significant weight loss or weight IV. Insomnia or hypersom…

PRIMARY LYMPHEDEMA   can occur as: 1- A congenital defect, resulting from lymphatic agenesis or hypoplasia.   2- Secondary or obstructive lymphedema   - blockage of a previously normal lymphatic; e.g. Malignant tumors  - Surgical procedures that remove lymph nodes  - Postirradiation   - Fibrosis  - Filariasis  - Postinflammatory thrombosis and scarring …