Ventricular ejection phase opens semilunar valves. Phases of the Cardiac Cycle ... Backflow of blood in aorta and pulmonary trunk closes semilunar valves ...
Contracts as a unit. Has a long (250 ms) absolute refractory period. Cardiac muscle contraction is similar to skeletal ... Frank-Starling Law of the Heart ...
Conductive System of the Heart Conduction system The specialized heart cells of the cardiac conduction system generate and coordinate the transmission of electrical ...
Cardiac Physiology Relation to Cardiac Anatomy & Conduction System of the Heart Definition : It is a hollow muscular organ located in the center of the chest cavity ...
Arial Calibri Book Antiqua Constantia Century Gothic Wingdings Baskerville Old Face 2_3 Floppy (A:) CARDIAC ARREST What is cardiac arrest? NO Central ...
Lake Forest Fire Department Reviewed ... vehicles and power tools Rehab operations more efficient when firefighter ... theory of the structure and functions of the ...
Contractile apparatus similar to skeletal. Striated & multinucleate (skeletal) but involuntary (smooth) ... Branched; adjacent myocardial cells joined by ...
Cardiac Pumping Qiang XIA ( ), PhD Department of Physiology Room C518, Block C, Research Building, School of Medicine Tel: 88208252 Email: xiaqiang@zju.edu.cn
The Heart Baroreceptors 1) Baroreceptor Reflex - stimulated by increase in arterial pressure (stretch) - Effect: negative chronotropic and inotropic - regulate the ...
By Fatimah Abu-Dayah Clinical objectives By the end of this lecture you will be able to: Define pacemaker Differentiate types of pacemaker List function of pacemaker ...
Cardiac Emergencies Jim Bennett Paramedic and Clinical Education Coordinator American Medical Response Spokane, Washington The Heart Cardiac Conductive System Heart ...
The cardiac cycle in terms of time Figure 1.02B. ... Concentric and Eccentric Hypertrophy Changes in Gene Expression in Cardiac Overload: Quantitative changes: ...
Cardiac Pacemaker System Presented by: Wong Shin Shin (KEU 98038) McCartney Dandot (KEU 97010) Scope of presentation Introduction A prelude: normal heart activity ...
Cardiac Physiology Cardiac Physiology - Anatomy Review Circulatory System Three basic components Heart Serves as pump that establishes the pressure gradient needed ...
CARDIAC DISEASES Dr. A K Dwivedi B.H.M.S., M.D. HOD Department of Physiology SKRP Gujarati Homoeopathic Medical College, Indore Member Board of Studies of Homoeopthy ...
CARDIAC DISORDERS Introduction to Cardiac Every year since 1900 (except 1918) cardiac disease has been the leading cause of death in the US 42 % of all deaths (1 ...
Cardiac Output * * Learning Outcomes By the end of this session you should be able to: Define Heart Rate Define Stroke Volume Explain the factors that influence ...
Cardiac Pharmacology Overview Cardiovascular A & P Review Gross Anatomy Cellular Anatomy Drugs that affect the cardiac system Drugs That Affect the Cardiac System ...
... total load that must be moved by a muscle when it contracts PVR & SVR Interactions between the components that regulate cardiac output and arterial pressure ...
Causes:excessive smoking, caffeine, or alcohol use; digitalis toxicity,and so on. It occurs ... digitalis 2. blood thinners, such as heparin or Warfarine, ...
Title: PowerPoint Presentation Author: heather lynne toad Last modified by: Im, Timothy S Created Date: 3/28/2002 1:35:52 AM Document presentation format
... the signals of the cardiac conduction system, and produces and electrocardiogram ... How do the contractions of the heart and the waves of an ECG correlate? ...
The cardiac cycle: the sequence of events from the beginning of one heart beat to ... the heart is by Frank-Starling's low: Blood volume Stretchingof the heart ...
The Steric-Blocking or 2-state Model of Myofilament Activation ' ... Structure and Distribution of the Sarcoplasmic Reticular. Ca2 ATPase (SERCA) Isoforms ...
... of the Heart. Collects deoxygenated ... Left ventricle- strongest muscular chamber of the heart. ... Contractility the force of contraction of heart muscle ...
Cardiac Arrhythmia Arrhythmias: Abnormal rhythms of the heart that cause the heart to pump less effectively Arrhythmia occurs: when the heart s natural pacemaker ...
3. Myofibrils contractile elements. a. Actin myofilament. F actin strands. tropomyosin ... a. Z disk attaches actin. b. I band actin myofilament. c. A ...
... input, the natural rate of pacemaker potentials is about 100/min in human heart. Cholinergic input slows the heart rate by slowing depolarization during the ...
Used to increase the efficiency of the heart and improve the contraction ... EX: Lipitor, Zocor, Lescol, Lopid, Mevacor, Pravachol, Crestor, Niacin, Questran ...
Cardiac Assist Devices Wayne E. Ellis, Ph.D., CRNA * Examples of Rhythms Noncapture Pacer stimulus fails to cause myocardial depolarization Pacer spike is present but ...
BIOPHYSICS OF MUSCLE CONTRACTION Ivan Polia ek Single muscle twitch unfused & fused tetanus A tetanic contraction - motor unit stimulated by a high frequency of ...
Located at junction of right atrium and the superior vena cava ... Starlings Law: the more the heart fills during diastole, the more forcefully it contracts ...
Phase 2 -- the depolarizing effects of slow Ca overlaps the repolarization of ... Atrial flutter. No 'P' waves visible; saw-toothed 'F' waves present; atrial ...
The relaxation phase is called diastole. ... The electrocardiogram (EKG or ECG) is a graphic display of the electrical events ... What is an Electrocardiogram? ...
To provide the pumping action and force for blood ... The ElectroCardioGram. P Wave. Atrial Depolarisation. QRS Complex. Ventricular Depolarisation ...