Test 2 Flashcards
How many radiographs are in a full mouth survey?
20
How many PAs in a full mouth survey?
16
How many bitewings in a full mouth survey?
4
What does PA stand for?
periapical
What is a PA radiograph?
image that captures the outline of the entire crown and the entire root anatomy >2.0mm of alveolar
Where is the receptor placed during a PA?
-parallel to B and Li planes of lateral incisor
-receptors parallels long axis of lateral incisor
-incisor is within middle two 1/4s of mesiodistal width
-horizontal angle directed through mesial contact of lateral incisor
What do bitewing radiographs show?
-interproximal contact areas without overlapping
-detect interproximal caries
-crestal alveolar bone levels
What does Dx mean?
diagnosis
What does Hx mean?
history
What does N/A mean?
next appointment OR not applicable
What does FM mean?
full mouth
What does Bid mean?
twice a day
What does PRN mean?
as needed
What does Tid mean?
three times a day
What does Qid mean?
four times a day
What does pt mean?
patient
What does Rx mean?
prescription
What is asthma?
chronic inflammatory disease of the airway characterized by reversible episodes of increased airway hyper-responsiveness resulting in recurrent episodes of dyspnea, coughing, and wheezing
What type of onset is asthma?
sudden onset
How long does it take for peak symptoms of asthma to start?
10-15 minutes
How many patients having asthma attack go to the ER?
25%
How many people have asthma worldwide?
300 million
What is the death rate of asthma?
1 of every 250 deaths worldwide
since the 1960s, how much has the prevalence of asthma increased?
more than doubled
-from 2% to 7%
How many people in the US have asthma?
23 million
What is the second most common chronic disease in children?
asthma
percentage of children with asthma:
10%
What is the number one chronic disease in children?
caries
percentage of adults with asthma:
6%
What are some cause/triggers of asthma?
-emotional or physical stress
-allergy to food or drugs
-air pollution or irritating vapors
-upper respiratory infection
-exercised induced
What is extrinsic asthma?
allergic asthma
-more often in children
-triggered by specific allergens
-about 50% of children out grow extrinsic asthma
What is intrinsic asthma?
non-allergic
-develop in adults older than 35
-triggered by respiratory infections, physical exertion, environmental and air pollution
-psychological and physiological stress can induce an attack
What should you avoid in those with asthma?
aspirin and NSAIDs
What is the triad asthmaticus?
very sudden and very severe asthma attack
-wheezing, dyspnea, and hypoxia
-do not repsond to bronchodilators
-TRUE EMERGENCY
Asthma, nasal polyps, sensitivity to aspirin and NSAIDs
What are the symptoms of asthma?
chest congestion, wheezing/cough, dyspnea/tachypnea, increased blood pressure, anxiety, and cyanosis
What are some ways to prevent asthma attacks as a provider?
get a good medical history
-when do they have attacks
-when was their most recent
-how are the attacks managed
-have they needed emergency care
What are ways for patients to prevent asthma attacks?
vaccinations, know triggers, take medication, take puff of inhaler
How to manage asthma attacks:
-terminate procedure
-patient upright
-calm patient
-bronchodilators (up to three times)
-oxygen if unsuccessful
-get medical assistance
-epinephrine
What is mild asthma?
-less than 3 attacks a week that last for less than 30 minutes
-only with allergen or exercise
-inhaler not always needed
What is moderate asthma?
-3-5 attacks a week
-last 30 minutes to several hours
-affect sleep
-ER visits
-inhaler more commonly used
What is severe asthma?
-daily attacks
-inhaler daily
-may use steroids
-frequent ER visit
-limit daily activity
What is diabetes?
group of metabolic diseases that result in low levels of insulin
What is Type I diabetes?
insulin dependent diabetes
-5% of diabetic patients
-more common in children
-beta cell destruction
-thought to be autoimmune
-abrupt onset
What is Type II Diabetes?
noninsulin dependent diabetes
-milder
-in adults
-overweight/obese
-blood sugar more stable
What is gestational diabetes?
abnormal glucose tolerance in pregnancy
5-7% of pregnant women
Symptoms of hyperglycemia:
-polyuria
-polydipsia
-polyphagia
-dry warm skin
-dry mouth
-fruity smelling breath
-Kussmauls breathing
-rapid weak pulse
-confusion and altered levels of consciousness
Symptoms of hypoglycemia:
-lethargy
-changes in mood, strange behavior
-nausea
-tachycardia
-hypertension
-anxiety
-full body sweating
Symptoms of severe hypoglycemia:
-loss of consciousness
-seizures
-coma
Management of hypoglycemia:
-position patient comfortably
-administer 100% oxygen
-oral carbs if conscious
-if unconscious cake icing on lips
-medical assistance
What is A1c?
average amount of sugar in blood over the past 2-3 months
Ideal A1c:
6.5% or below
What blood sugar levels should you defer elective treatment?
<70 or >200
What is normal fasting glucose level?
80-130
What is insulin shock?
excess insulin
What is the mild stage of insulin shock?
most common
-triggered by hunger, weakness, trembling, tachycardia, pallor, and sweating
-may occur before meals, during exercise, or when food is delayed
What is the moderate stage of insulin shock?
when blood sugar drops substantially
-patient becomes incoherent, uncooperative, and sometimes belligerent/resistant to reason
-patients may injure themselves
What is the severe stage of insulin shock?
-complete unconsciousness
-usually take place during sleep when the other two stages are ignored
-sweating, pallor, rapid and thready pulse
What are oral manifestations of diabetes?
-urinate when blood sugar is high
-xerostomia
-bacterial, viral, and fungal infections
-poor wound healing
-increase incidence and severity of caries
What are oral complications of diabetes?
-periodontal disease and abscess
-bidirectional hyperglycemia
-xerostomia and burning mouth syndrome
-increased infections
-gingival inflammation
What are allergies?
abnormal or hypersensitive response of immune system to a substance introduced into the body
What is the sensitizing dose?
the previous exposure to the allergen
What is the challenge dose?
subsequent exposure to the antigen
What is a type I hypersensitivity reaction?
related to humoral immune system
-occur soon after second exposure to the antigen
What is anaphylaxis?
acute reaction involving smooth muscle of the bronchi in which antigen-IgE antibodies form on surface of mast cells
-release of histamine
What is the most common cause of anaphylaxis?
antibiotics
What occurs in the cardiovascular system during anaphylaxis?
capillary dilation and increases capillary permeability
-blushing and edema formation
-decreased venous return, decrease BP and cardiac output
What occurs in the respiratory system during anaphylaxis?
can lead to asphyxia due to increased secretions in the glands
What occurs on the skin during anaphylaxis?
itching and hives
-erythema rash
-angioedema
Progression of symptoms of anaphylaxis?
-skin
-eyes, nose, GI
-respiratory
-cardiovascular
How to manage rapid allergic reactions:
-position patient supine
-BCLS
-oxygen
-monitor vitals
doses of epinephrine for rapid allergic reactions
-1/10,000 3.0 cc IV
-1/10,000 0.3 cc IM/SC
doses of benadryl for rapid allergic reaction
50 mg IV or IM
What are the causes of delayed allergic reactions:
-greater than an hour
-non-life threatening
-antibiotics
-analgesics
-narcotics
-preservatives in anesthesia
What are the symptoms of delayed allergic reactions:
-rash
-pruritus (itching)
-urticaria (hives)
-edema
-rarely: hypotension, dyspnea, and coma
Management of delayed allergic reactions:
-terminate procedure
-position patient comfortably
-BSLC if indicated
-benadryl
Risk factors of cardiovascular disease: (can’t be changed)
-heredity (30% due to genetic factors)
-sex (men develop 10 years earlier than women)
-race (African americans at higher risk)
-age (65 or older)
Risk factors for cardiovascular disease: (can be changed)
-smoking
-excessive alcohol use
-stress
-obesity
-diabetes
-cholesterol
-hypertension
-sleep apnea
Signs and symptoms of cardiovascular disease:
-extreme fatigue
-chest pain
-difficulty breathing
-nausea
-edema
What is edema?
collection of fluid that can be due to venous insufficiency
What is stenosis?
narrowing or obstruction
-usually the aortic valve
-caused by: rheumatic fever, calcification of valve, or congenital anomalies
What is dyspnea?
difficult, labored, or uncomfortable breathing
What is orthopnea?
-difficulty breathing when lying down
-caused by: heart failure, COPD, panic disorder, or sleep apnea
What is coronary artery disease?
decreased or blocked blood flow to the heart due to plaque build up
What are the ABCs or cardiovascular disease and diabetes?
A- A1c done regularly
B- blood pressure WNR
C- cholesterol managed
s- stop smoking
What is the connection between diabetes and cardiovascular disease?
coronary artery disease is the leading cause of morbidity and mortality in patients with diabetes
-longer you have diabetes, the more likely you are to have heart disease
What is angina pectoris?
usually brief resulting from temporary ischemia of the myocardium
-tightness in midchest
-lasts 5-15 minutes
What are the three types of chest pain?
-angina pectoris
-hyperventilation
-acute MI
When can angina pectoralis be seen?
coronary obstruction-anemia, hypoxemia, and profound hypotension
What is stable angina?
pain is predictable, reproducible, unchanging, and consistent over time
-pain is usually associated with physical effort, eating, or stress
-pain relieved by stopping of physical exercise or use of nitroglycerin
-may have underlying coronary artery disease
What is unstable angina?
new-onset pain, increasing frequency and/or intensity
-occurs with less effort than acute angina
-not relieved by nitroglycerin
-key feature: changing character
What is nitroglycerin?
drug that is a powerful vasodilator
-can cause headache
How is nitroglycerin supposed to be taken?
placed under the tongue or in the vestibule and dissolved
how long does it take for nitroglycerin to work?
2-4 minutes
How long does nitroglycerin work?
30 minutes
What are side effects of nitroglycerin?
-pounding in head
-flushing
-tachycardia
-possible hypotension