DAANCE module 2 questions ad answers

DAANCE module 2 questions ad answers Ischemia causes it? 2. What does it result in? - 1. Build up of fatty plaque within the coronary arteries. 2. Acute coronary syndrome. Repolarization of the ventricles shows up at what on an ECG? - T wave Which three essential characteristics should be identified when assessing abnormal rhythms? - Rate, rhythm, and regularity. Formation of a blood clot in a blood vessel; (usually a vein.) - thrombosis Prophylaxis recommendations are for pt.s at the highest risk of endocarditis due to what three factors? (4) - 1. A prosthetic heart valve or pt.s who have had a heart valve repaired with prosthetic material 2. A HX of endocarditis 3. A heart transplant with abnormal valve function 4. Certain congenital defects Endocarditis - inflammation of the inner lining of the heart Hypertension What is it? Symptoms? - abnormally high blood pressure (higher than 120/80). Frequent dizziness, nosebleeds, / headaches Major complications of hypertension - Stroke, coronary artery disease, and renal failure congestive heart failure (CHF) 1. What is it? cteristics? - 1.A clinical syndrome due to heart disease. Caused by the hearts inability to handle blood volume coming back from either the lungs or peripheral circulation. hlessness and abnormal water and sodium retention resulting in edema. Any variation from the normal rhythm of the heart beat - Arrythmia disturbance of a cardiac rhythm - Dysrhythmia Ventricular Rhythms - Cardiac dysrhythmia in which the pacemaker is in the ventricles rather than in the SA node or atria. More likely to lead to arrest rhythms. PR interval 1. How long is it on an EKG strip? 2. What heart function does it represent? 3. What does it measure? - 1. Less than one block (200 milliseconds or 0.2 seconds.) 2. The delay between the SA and AV node 3. AV conduction time. Normal is 0.12-0.2 seconds (3-5 small boxes.) paroxysmal - beginning suddenly or abruptly P wave - depolarization (contraction) of the atria QRS complex 1. What does is represent? 2. How big is it on an EKG strip? - 1. depolarization (contraction) of the ventricles. 2. Width of less than 1/2 of one large block. (Approximately 100 milliseconds or 0.1 second.) What does smoking predispose Pt.s to? - Laryngospasms and bronchospasms Heart and lung disease Mallampati classification - A visual analysis of the oral/pharyngeal anatomy Class 1. Visualization of