Term
| What types of cardiac diseases arise from cardiac dysfunction? |
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Definition
- Ischemic heart disease
- Mitral and aortic valvular disease
- Hypertensive heart disease
- Primary (non-ischemic) myocardial disease
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Term
| What is ischemic heart disease? |
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Definition
| It's a heart disease resulting from myocardial ischemia. CAD or CHD since the cause of damage to the heart uscle is brought about by a disorder in the coronary arteries. |
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Term
| What are the causes of myocardial ischemia in IHD? |
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Definition
- reduction in coronary blood flow
- conditions that increase in cardiac energy demand (hypertrophy)
- conditions that lower systemic BP (shock)
- conditions that cause hypoxemia (respiratory problem)
- rapid HR
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Term
| What are the consequences of myocardial ischemia in IHD? |
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Definition
- Reduced nutrient supply and inadequate removal of metabolites
- Reduced O2 supply
- Reduced ATP production and the subsequent cellular damage
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Term
| What are the causes of obstruction in coronary blood flow? |
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Definition
| Mostly by atherosclerotic plaque (90%) |
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Term
| What are acute changes in plaque morphology that can cause further ischemia? |
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Definition
- fissuring
- overt plaque rupture
- local platelet aggregation
- coronary artery thrombosis
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Term
| Name the primary myocardial diseases. |
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Definition
- Myocarditis
- Cardiomyopathies
- Systemic disorders
- Muscular dystrophies
- Immunologic disease
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Term
| List different types of angina. |
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Definition
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Typical (stable, chronic)
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Prizmetal's or variant angina
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Unstable Angina Pectoris (crescendo angina)
-
Infarction angina
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Term
| What are characteristics of typical angina? |
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Definition
| It is associated with some form of stress. Pain can be relieved by rest or nitroglycerine. Pain is described as crushing or squeezing that may radiate down left arm. |
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Term
| What are characteristics of prinzmetal's or variant angina? |
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Definition
- occurs at rest or awakens the pt from sleep.
- associated with coronary artery spasm near atherosclerotic plaque
- Relieved by vasodilators
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Term
| What are characteristics of unstable angina pectoris? |
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Definition
- Increased frequency of pain
- More intense and longer lasting than stable kind.
- Most serious and potentially irreversible myocardial ischemia
- Referred to as preinfarction angina
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Term
| What are characteristics of infarction angina? |
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Definition
- severe crushing substernal chest pain (may radiate into neck, jaw, epigastrium, shoulder, or left arm)
- Pain lasts several hours to days and not relieved by nitroglycerine.
- Irreversible
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Term
| List the clinical manifestations or RHF. |
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Definition
Sign: soft tissue edema ( first in feet and lower legs than generalized), distended neck veins, enlarged liver
Symptom: tender liver, deep venous thrombi (leading to pulmonary embolism) |
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Term
| List the diagnostic tests that strongly indicate that the patient has suffered a MI. |
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Definition
1. EKG: changes in Q wave, ST segment abnormalities, T wave inversion, presence of arrhythmias.
2. Laboratory evaluation: CK (will see in first 2 days if MI), lactate dehydrogenase, serum levels of myocardial proteins especially troponins (rise) |
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Term
| List the risk factors that may contribute ischemic heart disease. |
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Definition
| Cigarette smoking, elevated total serum cholesterol levels, HTN |
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Term
| Under what circumstances is angioplasty used? |
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Definition
| When there is a narrowing of obstructed blood vessel it is used to widen it. Stenosis. |
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Term
| List the causes of left heart failure. |
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Definition
| IHD, mitral valve and aortic valvular disease, hypertensive heart disease, primary myocardial disease. |
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Term
| What are the consequences of hypertension induced hypertrophy? |
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Definition
| Myocardial ischemic injury. |
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Term
| List the structural changes that occur in myocardial infarctions. |
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Definition
| Necrosis of myocardial tissue. Inflammatory response. Most common in left ventricle. |
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Term
| Name the valvular diseases associated with post inflammatory scarring of theumatic fever. |
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Definition
- Mitral stenosis
- Aortic stenosis
- Mitral regurgitation
- Aortic regurgitation
- Intrinsic valvular disease
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Term
| List the clinical manifestations of aortic stenosis. |
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Definition
Signs: Doppler ECG- measures flow velocities as well as structure and can be used to repetitively examine the progression of the disease w/ time
Symptoms: angina, syncope |
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Term
| List the steps involved in the development of LHF by aortic stenosis. |
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Definition
- Valve cusps are thickened and adhere to each other
- Obstruction to left ventricular outflow
- Gradually increasing Pressure gradient across the calcified valve
- Pressure overload
- Concentric hypertrophy of the left ventricle.
- Cardiac decompensation with CHF
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Term
| In what heart disease does the valve become incompetent and blood reenters the left atrium during ventricular systole? |
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Definition
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Term
| What side of the heart can fail in pulmonary HTN? What is the name given to the condition? |
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Definition
| right side of the heart. Cor Pulmonale. |
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Term
| Which congenital heart diseases give rise to right to left shunts? |
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Definition
- Tetralogy of Fallot
- Transposition of the great arteries
- coarctation of the aorta
- truncus arteriosus
- tricuspid atresia
- obstructive congenital abnormalities
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Term
| Which congenital heart diseases give rise to left to right shunts? |
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Definition
1. Atrial septal defects (ASD)
2. Ventricular septal defects (VSD)
3. Patent ductus arteriosus (PDA)
4. Atrial Ventricular septal defect |
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Term
| List the syndromes found in ischemic heart disease. Which is the first to occur in the majority of cases? |
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Definition
- Angina pectoris (occurs first)
- Acute MI
- Sudden cardiac death
- Chronic IHD w/ CHF
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Term
| What cardiac disease is responsible for 80-90% of cardiac mortality? |
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Definition
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Term
| In what heart disease would the heart be hyperkinetic, have abnormal diastolic filling and intermittent outflow obstruction? |
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Definition
| Hypertropic cardiomyopathies |
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Term
| In what heart disease would it result from infection of the heart by coxsackievirus or bacteria that causes lyme disease? |
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Definition
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Term
| In what heart disease would there be a functional loss that would result in decreased or loss of overlap between contractile elements in the cardiac muscle? |
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Definition
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Term
| What is the incidence of CHF? |
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Definition
| Older adults. Most common cause of hospitalization in people over 65 years. Many heart attack survivors develop CHF |
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Term
| Describe the structural changes found in ischemic heart disease as well as in various cardiomyopathies. |
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Definition
| Defined area of myocardial necrosis in the ventricles. |
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Term
| List all the conditions that can be involved in the pathogenesis of neutropenia. |
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Definition
-Accelerated removal of neutrophils from the circulating blood
- Reduced of ineffective production of neutrophils (ineffective granulopoiesis)
- immunologically mediated injury to the neutrophils (produced by exposure to drugs) |
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Term
| Identify various blood conditions that can expose the patient to bacterial and fungal infections? |
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Definition
| Anything that has an effect on WBC. NEUTROPHENIA, Eosinophilia, basophilia, agranuloctis |
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Term
| Identiy the complications that would arise when the body tries to increase hemoglobin synthesis in anemia. |
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Definition
- Erythropoietin synthesis incrases -> marrow expansion (skull)
- Increased iron absorption -> iron overload in heart and liver
- Tissue anoxia -> fatty change in the liver, myocardium and kidney
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Term
| List clinical manifestations of anemia that are directly related to efforts made by the cardiovascular and respiratory system to increase the amount of oxygen reaching the tissues. |
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Definition
| Angina (in preexisting heart conditions)- weakness, malaise, easy fatigability, dyspnea on mild exertion, headache, dimness of vision, faintness. Tacchycardia, tacchypnea. |
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Term
| How does myelotoxic agents and ionic radiation cause anemia? |
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Definition
| Cause injury to stem cells |
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Term
| Identify conditions that result in impaired red blood cell synthesis? |
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Definition
| Thalassemia and sickle cell anemia |
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Term
| What are the consequences of long term decrease in number of RBC? |
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Definition
- Nutritional deficiency
- Decreased erythropoietin levels (chronic kidney disease)
- Suppression of multipotent stem cells
- Extensive replacement of marrow by tumors
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Term
| Define reactive leukocytosis. |
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Definition
| An imflammatory reaction where there is an increase in the number of WBCs accompanied by fever, and signs of infection. |
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Term
| What type of blood disorder results from inadequate levels of vitamin B12? |
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Definition
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Term
| List the possible outcomes when bone marrow cells are replaced by tumors or metastic cancer of the breast, lung etc? |
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Definition
| Myelophythisic anemia. It disturbs normal function. An abnormal release of immature precurors into the peripheral blood can occur: Leukoerythroblastosis |
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Term
| List the diseases classified as acute infections of the upper respiratory tract? |
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Definition
| Common cold, acute pharyngitis, acute bacterial epilottis, acute laryngitis. |
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Term
| List the possible clinical consequences of increased pulmonary interstitial fluid, obesity, fibrosis of alveolar. |
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Definition
| Decreased ability to get air out. |
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Term
| What respiratory disease is associated with hyperplastic mucus glands and hypertrophied bronchiolar smooth muscles? |
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Definition
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Term
| What are the major diffuse obstructive disorders? |
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Definition
| Emphysema, chronic bronchitis, bronchiectasis, and asthma |
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Term
| What is considered a positive clinical respiratory tests for obstructive pulmonary diseases? |
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Definition
| FEV1 is decreased b/c of the limitation of maximal airflow rates during forced expiration. So the FEV1/FVC ratio is decrased. |
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Term
| What would chest radiographs show in ARDS? |
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Definition
| Diffuse alveolar infiltration |
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Term
| What is the easliest common manifestation of chronic restrictive lung disease? |
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Definition
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Term
| What are considered positive clinical respiratory tests for chronic restrictive lung diseases? |
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Definition
| decrease in FVC; proportionate reduction of FEVI so FEV1/FVC ratio NOT REDUCED! Decreased carbon monoxide diffusing capacity, lung volume and compliance |
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Term
| What are complications of chronic restrictive lung disease? |
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Definition
| Secondary pulmonary hypertension and right sided heart failure with cor pulmonale. |
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Term
| List the symptoms of asthma. |
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Definition
| Dyspnea, coughing, wheezing |
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Term
| Which one of the pulmonary obstructive diseases results from structural deficits that don't involve direct complete or partial airway obstruction? |
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Definition
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Term
| What disease relates a patient sitting forward with a pinched face and breathes with pursed lips? |
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Definition
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Term
| What disease has symptoms that include chronic (persistant) cough and sputum production (worse in the morning and evening than at midday) and may persist indefinetly without proceeding to obstructive disease. |
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Definition
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Term
| What disease has early symptoms of an upper respiratory infection of a common cold, progressing to fever, a dry irritating cough, sore throat and later cough becomes more progressive of purulent sputum followed by wheezing? |
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Definition
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Term
| What diseases clinical manifestation does not appear until all of the functioning pulmonary parenchyma is incapacitated |
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Definition
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Term
| What disease has obvious prolonged expiration? |
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Definition
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Term
| What disease has dyspnea and coughing? |
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Definition
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Term
| What disease involves weight loss? |
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Definition
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Term
| What disease involves clubbing of the fingers? |
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Definition
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Term
| List the possible causes of death in most COPD patients. |
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Definition
- Respiratory acidosis and coma
- Right sided heart failure
- Massive collapse of lungs secondary to pneumothorax
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Term
| List the possible causes of pulmonary HTN. Which ones are direct causes and which ones are indirect. |
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Definition
Direct- SLE, tumors, emphysema, COPD and pulmonary fibrosis
Indirect- HD, thromboembolism, genetic predisposition. |
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Term
| List the conditions that will most likely cause a reduction in the oxygen diffusion capacity of the respiratory membrane? |
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Definition
| Obstructive lung diseases. There is a decrease in FEV1 so it decreases the ratio. |
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Term
| What is the functional endpoint or obstructive lung diseases? |
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Definition
| The inability to get air. Complete or partial obstruction at any level of the airways. |
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Term
| List the possible structural changes in the respiratory system of a pt that will explain a patient's complaints of SOB, weakness and fatigue results. |
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Definition
- blockage
- decreased space
- decreased recoil ability of the lungs- can't get O2, become weak, become tired.
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Term
| If a pulmonary function tests shows diminished TLC, decreased diffusing capacity, mildly decreased forced expiratory volume at 1 sec (FEV1), what pulmonary disease would this patient be possibly suffering from? |
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Definition
| Chronic restrictive lung disease. |
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Term
| List the characteristics (s/s) of Acute Respiratory Distress Syndrome? |
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Definition
- Profound dyspnea and tachypnea,
- respiratory insufficiency
- cyanosis and arterial hypoxemia increases
- Respiratory failure
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Term
| What are the causes of ARDS? |
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Definition
- Diffuse damage to the alveolar capillary walls
- followed by Relatively nonspecific, often predictable series of morphological and physiological changes leading to resp. failure
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Term
| What diseasesĀ are associated with lesions of the upper respiratory tract? |
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Definition
- Acute infections
- Nasopharygeal carcinoma
- Laryngeal tumors (non malignance, carcinoma of the larynx)
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Term
| Name the diseases associated with restrictive lung disease. |
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Definition
Acute- ARDS
Chronic-
-
Diffuse alveolar damage,
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idiopathic pulmonary fibrosis,
-
hypersensitivity pneumonitis,
-
sarcoidosis,
-
diffuse pulmonary hemorrhage syndrome
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Term
| What areĀ the vascular lung diseases? |
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Definition
- Pulmonary HTN
- Vascular sclerosis
- Pulmonary thromboembolism (hemmorhage, infarction)
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Term
| What are the pulmonary infections (of the lungs)? |
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Definition
| Acute bacterial infections |
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Term
| Under what circumstances will community- acquire acute pneumonia be brought about? |
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Definition
| It often follows upper respiratory tract viral infection |
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Term
| How does community-acquired atypical pneumonia (nosocomical pneumonia) come about? |
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Definition
| In the course of a hospital stay. |
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Term
| List the extrapulmonary disorders that result in reduced expansion of the lung parenchyma. |
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Definition
| Poliomyelitis, severe obesity, pleural diseases nad kyphoscoliosis |
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