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Chapter 13 Review
Chapter 13 Review

... the A-V bundle results in: a. failure of the ventricles to contract b. adequate time for the ventricles to fill c. delayed opening of the A-V valves d. a decrease in the rate of blood flow from the atria to the ventricles ...
Modeling of Blood Flow Velocity into the Main Artery via Left
Modeling of Blood Flow Velocity into the Main Artery via Left

... confine more blood in the left ventricle hence less pressure development in the system. Due to the relatively less pressure in the model with ventricle [3].The capability to observe left ventricle flow velocity pattern is quite important because changes in flow velocity may prove critical for analys ...
Congenital Complete Heart Block
Congenital Complete Heart Block

... heterotaxy syndrome and CCHB has an extremely high mortality rate, even ...
Cardiac Arrest in the Athlete
Cardiac Arrest in the Athlete

... • LVH (20mm limb, 30mm pre-cordial), • AV Block, 1*,2*, 3* (1* >.21 not shorted with hyperventilation) RBBB, LBBB • Long QT (>.44men, >.46 women) Short PR (<0.12) • PVCs, AF, SVT • ST depression or T wave inversion 2 or more leads, Q wave 2 leads, V1 R:S ratio >1 ...
Surgery Of The Aorta - Northwestern Memorial Hospital
Surgery Of The Aorta - Northwestern Memorial Hospital

... NO SMOKING! Nicotine in cigarettes causes the arteries to narrow, which decreases blood flow. Smoking also speeds up the heart rate and increases blood pressure. Northwestern Memorial Hospital offers a stop smoking clinic. Call 312/926-9355 for information. ...
Exam 3 Study Outline
Exam 3 Study Outline

... Cardiovascular Physiology 11B 4.) Describe major differences between arteries and veins (including the direction of blood flow involved with each and the relative muscle strength in each). Also describe the blood pressure in some of the vessels (aorta, arteries, arterioles, capillaries, venules, vei ...
Untitled
Untitled

... become a gold standard for clinical practice. The thermodilution method applies the indicator dilution principles, using temperature change as the indicator. A known amount of solution with a known temperature is injected rapidly into the proximal injectate lumen of the catheter. This cooler than bl ...
Publication is available here. - European Society of Cardiology
Publication is available here. - European Society of Cardiology

... ICD that left ventricular function is an important determinant in decision-making. The rate of VT is also important though, as when the rate was 200 bpm an upgrade to ICD was considered by 7% even for patients with normal left ventricular function, and in 46% when the EF was 40% and the patient symp ...
Chapter 9 notes. Homeostasis and Circulation File
Chapter 9 notes. Homeostasis and Circulation File

CARDIAC MURMUR What does it mean?
CARDIAC MURMUR What does it mean?

... Ventricular Septal Defect (VSD) Flow across ventricular septum primarily in systole n  Left to right flow because left sided pressures are 4-5 times higher than right n  High VSD eject blood directly into RVOT vs low VSD into RV n  Louder murmur with smaller defect n  Bulldog, English spring ...
A Novel Method to Reduce Heart Failure Readmissions Objectives
A Novel Method to Reduce Heart Failure Readmissions Objectives

... compared with furosemide therapy for patients with heart failure. Am J Med. 2001 Nov;111(7):513-20. www.americanheart.org. Get with the Guidelines Yancy CW, Jessup M, Bozkurt B, Butler J, Casey DE, Drazner MH, et al., 2013 ACCF/AHA Guideline for the Management of Heart Failure: A Report of the Ameri ...
The Wisconsin Pediatric Cardiac Registry: A Mechanism For
The Wisconsin Pediatric Cardiac Registry: A Mechanism For

MAYO CLINIC HEALTH LETTER
MAYO CLINIC HEALTH LETTER

... Arrhythmias are classified by where they originate in the heart and by the speed of heart rate they cause. A fast heartbeat — meaning a resting heart rate greater than 100 beats a minute — is called tachycardia. A slow heartbeat — a resting heart rate of less than 60 beats a minute — is called brady ...
Outpatient Approach to Palpitations
Outpatient Approach to Palpitations

... psychiatric disorder, such as anxiety, is also common. Even if a psychiatric comorbidity does exist, it should not be assumed that palpitations are of a noncardiac etiology. Discerning cardiac from noncardiac causes is important given the potential risk of sudden death in those with an underlying ca ...
Anomalous Origin of the Left Coronary Artery from the Pulmonary
Anomalous Origin of the Left Coronary Artery from the Pulmonary

... ventricular apex [9]. Several pathologic features may result in mitral valve regurgitation. The chest radiograph may be normal or may show cardiac enlargement. 85% of all cases of ALCAPA present within the first two months of life. About 65% of infants born with it die during the first year from int ...
Prevalence of Left Ventricular Hypertrophy in Patients with Essential
Prevalence of Left Ventricular Hypertrophy in Patients with Essential

... Results showed an overall of 135 hypertensive patients with altered ventricular geometric pattern, of the three variants and in particular that of the concentric hypertrophy, in the age group 60 - 73 years-old, in males, in patients with severe HBP and a duration of more than one year, in obese pati ...
Systematic Medical Terminology
Systematic Medical Terminology

... Proctitis is an inflammation of the rectum. The rectum, which is the widest division of the large intestine, makes up the last 4 inches of the large intestine and ends at the anus. The anus is the lower opening of the digestive tract. The internal anal sphincter and the external anal sphincter contr ...
External Cardiac Defibrillators for the Prevention of Sudden Death
External Cardiac Defibrillators for the Prevention of Sudden Death

... DESCRIPTION/BACKGROUND Sudden cardiac arrest (SCA) is the most common cause of death in patients with coronary artery disease. The automatic implantable cardioverter defibrillator (AICD) has proven effective in reducing mortality for survivors of SCA and for patients with documented malignant ventri ...
Heart Activity
Heart Activity

... Diagnosis: Sinus Tachycardia, ...
Comparing Human Circulation System with other species
Comparing Human Circulation System with other species

... throughout the body. For example, blood travels across the body through the blood vessels. Unlike humans, fishes exhibit single cycle circulation, where the oxygen deprived blood comes to the heart, from where it is pumped to the gills and then circulated to the entire body. It’s quite simple, like ...
Photosynthesis
Photosynthesis

... All animations will appear after viewing in Presentation Mode and playing each animation. Most animations will require the latest version of the Flash Player, which is available at http://get.adobe.com/flashplayer. ...
1 CARDIOLOGY FOR PRIMARY CARE Lois E Brenneman, MSN
1 CARDIOLOGY FOR PRIMARY CARE Lois E Brenneman, MSN

... carry impulse more rapidly then other atrial cells -> av node * -> atrial contraction (when atria have depolarized) -> slowing of impulse occurs after AV node -> Purkinje cells (fibers) where impulse travels down intraventricular septum toward apex -> divides into right and left bundle branches whic ...
left ventricular thickness and electrocardiographic voltage criteria in
left ventricular thickness and electrocardiographic voltage criteria in

... Introduction: Established ECG-derived criteria for determination of true left ventricular hypertrophy (LVH) are often inaccurate. The degree to which ECG voltage criteria can precisely predict measured LV septal and posterior wall (PW) thickness by echocardiography (ECHO) remains to be fully determi ...
Original Article Alcoholic Cardiomyopathy In A 39 Year Old Female
Original Article Alcoholic Cardiomyopathy In A 39 Year Old Female

... indicates that the effects of alcohol on the myocardium are independent of these factors and that the effect is a direct toxic result of ethanol or its metabolites4. Experimental studies show that alcohol and its metabolite acetaldehyde can disrupt cardiac calcium cycling, mitochondrial respiration, ...
HP2213221330
HP2213221330

... arrhythmia history, family history of sudden cardiac death, heart transplantation and other medical conditions, history, the disease has a sudden, random, high rate characteristics of sudden death, usually after the acute onset of symptoms within 1 hour may cause death and malignant ventricular fibr ...
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Myocardial infarction



Myocardial infarction (MI) or acute myocardial infarction (AMI), commonly known as a heart attack, occurs when blood flow stops to a part of the heart causing damage to the heart muscle. The most common symptom is chest pain or discomfort which may travel into the shoulder, arm, back, neck, or jaw. Often it is in the center or left side of the chest and lasts for more than a few minutes. The discomfort may occasionally feel like heartburn. Other symptoms may include shortness of breath, nausea, feeling faint, a cold sweat, or feeling tired. About 30% of people have atypical symptoms, with women more likely than men to present atypically. Among those over 75 years old, about 5% have had an MI with little or no history of symptoms. An MI may cause heart failure, an irregular heartbeat, or cardiac arrest.Most MIs occur due to coronary artery disease. Risk factors include high blood pressure, smoking, diabetes, lack of exercise, obesity, high blood cholesterol, poor diet, and excessive alcohol intake, among others. The mechanism of an MI often involves the rupture of an atherosclerotic plaque, leading to complete blockage of a coronary artery. MIs are less commonly caused by coronary artery spasms, which may be due to cocaine, significant emotional stress, and extreme cold, among others. A number of tests are useful to help with diagnosis, including electrocardiograms (ECGs), blood tests, and coronary angiography. An ECG may confirm an ST elevation MI if ST elevation is present. Commonly used blood tests include troponin and less often creatine kinase MB.Aspirin is an appropriate immediate treatment for a suspected MI. Nitroglycerin or opioids may be used to help with chest pain; however, they do not improve overall outcomes. Supplemental oxygen should be used in those with low oxygen levels or shortness of breath. In ST elevation MIs treatments which attempt to restore blood flow to the heart are typically recommended and include angioplasty, where the arteries are pushed open, or thrombolysis, where the blockage is removed using medications. People who have a non-ST elevation myocardial infarction (NSTEMI) are often managed with the blood thinner heparin, with the additional use angioplasty in those at high risk. In people with blockages of multiple coronary arteries and diabetes, bypass surgery (CABG) may be recommended rather than angioplasty. After an MI, lifestyle modifications, along with long term treatment with aspirin, beta blockers, and statins, are typically recommended.Worldwide, more than 3 million people have ST elevation MIs and 4 million have NSTEMIs each year. STEMIs occur about twice as often in men as women. About one million people have an MI each year in the United States. In the developed world the risk of death in those who have had an STEMI is about 10%. Rates of MI for a given age have decreased globally between 1990 and 2010.
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