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Cardiac Patho

Stack #15115

QuestionAnswer
#1 cause of death in US CAD
What is CAD? Causes angina, MI, dysrhythmias, HF, sudden death.
Narrowing of coronary arteries What is atherosclerosis?
Hardening of the arteries What is arteriosclerosis?
Occlusion resulting in MI or sudden death. CAD/ clot formation
ECG-P wave What is atrial depolarization?
Sodium moves into cell/ Potassium moves out of the cell Atrial depolarization
AV conduction. measure of time, onset of atrial activation to the onset of ventricular activation. What is ECG (P-R interval)?
Early ventricular repolarization or plateau (Ca enters) What is ST Segment?
Ventricular repolarization (Na-out/K-in) What is T Wave?
Predictable, luminal narrowing/atherosclerosis What is Stable Angina?
What is the Q-T Interval? Total ventricular activity(depolarization/repolarization)
Uses ALL oxygen (from the coronary arteries) What is the heart?
Can only increase oxygen supply by vasodilate/increase heart rate What is the heart?
Independent intrinsic timer Artrial/ventricular muscel cells.
Alpha fiber (increase rate), Beta fibers (increase force of contraction) What is the sympathetic nervous system?
Transient chest paint due to myocardial ischemia (3-5min.) What is Angina Pectoris?
Sum of all ventricular depolarization What is QRS complex?
Advanced ischemic heart disease, unpredictable What is Unstable Angina?
Vasospasm (occurs during REM sleep or rest) What is Prinzmetal Angina?
Onset from stress, exercise, last 5 min., NTG relieves pain, less severe. Angina or MI?
Onset during sleep/activity, pain not relieved, LOC, SOB, pain, diaphoresis. Angina or MI?
Men experience crushing chest pain, women have gastric pain What is Angina?
Diseases of the myocardium. What is Cardiomyopathies?
Dilated, Hypertrophic & Restrictive. Possibly secondary and most are idiopathic. What is Cardiomyopathies?
Stenonsis or Regurgitation. Affects mostly mitral or aortic. Decreased CO & murmurs. Valvular Heart Disease
S/s fever, murmurs & petechiae What are cardiac infections?
Created by: MrsA
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