BDS 2nd internal assessment
Essay
1. Anatomical and etiological localization for hemiparases and further management
2. Etiology pathogenesis clinical features management complications of acute pancreatitis?
3. Dengue fever, clinical features, complications
4.cushing syndrome
5. Mandibular advancement device?
6. Cardiogenic pulmonary edema
The fundamental cause of OSA is a blocked upper airway, usually behind the tongue and epiglottis, whereby the otherwise patent airway, in an erect and awake patient, collapses when the patient is lying on his or her back and loses muscle tone upon entering deep sleep.
At the beginning of sleep, a patient is in light sleep and there is no tone loss of throat muscles (muscle tone of throat and neck is usually attenuated during sleep --> tongue and soft palate relax --> airway patency reduced --> complete obstruction to the airflow).
Airflow is laminar and soundless. As the upper airway collapse progresses, the obstruction becomes increasingly apparent by the initiation of noisy breathing as air turbulence increases, followed by gradually louder snoring as a Venturi effect (reduction of fluid pressure that decreases when a fluid passes through a constricted vessel) forms through the ever-narrowing air passage apnea
https://en.m.wikipedia.org/wiki/Obstructive_sleep_apnea
The mandibular advancement device treats snoring and sleep apnea by moving the lower jaw forward slightly, which tightens the soft tissue and muscles of the upper airway to prevent obstruction of the airway during sleep. The tightening created by the device also prevents the tissues of the upper airway from vibrating as air passes over them—the most common cause of snoring
https://en.m.wikipedia.org/wiki/Mandibular_advancement_splint
The patient had generalised attrition (flattening of occlusal surface of almost all teeth).
The patient details are discussed in the blog below
http://alekhya09.blogspot.com/2021/11/osa.html
Reason for attrition and TMJ disorder in OSA patients :
"when tongue collapses posteriorly causing reduction in airway space body may activate its inbuilt protective mechanism wherein it moves the mandible forward unconsciously to make space for air in upper airway region leading to attrition of teeth and this action caused by forward movement of mandible repeatedly leads to excessive strain over TMJ causing TMD in the long run"
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6056072/
7. Rheumatoid arthritis
8. Leptospirosis
9. Heart failure
10. Ascites
Very short notes
11. Pyrexia of unknown origin
12. Drug induced liver injury
13. Evaluation of low back achr
14. Renal artery stenosis
15. Acute kidney injury
16. Oral hypoglycemic agent
17. Micro and macrovascular of diabetes
18. Lights criteria
19. Metabolic acidosis
20. Iron deficiency anemia
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