Contractility PowerPoint PPT Presentations

Title: Auditory/Vestibular Physiology Author: Janet Lyn Fitzakerley Last modified by: Janet Lyn Fitzakerley, Ph.D. Created Date: 5/20/1998 5:10:36 AM

DRUGS AFFECTING UTERINE MUSCLE CONTRACTILITY * * * * * * * * Unwanted effects Headache, dizziness Hypotension Flushing Constipation Ankle edema Coughing Wheezing ...

DRUGS PRODUCING UTERINE CONTRACTIONS( Oxytocic Drugs ) ... Abnormal fetal position d) Evidence of fetal distress e) Cephalopelvic ...

1-DRUGS AFFECTING UTERINE MUSCLE CONTRACTILITY * * * * * * * * * * * * DRUGS PRODUCING UTERINE RELAXATION (Tocolytic Drugs) Action and Uses Relax the uterus and ...

Multicenter Randomized Controlled Trial of Cardiac Contractility Modulation in Patients with Advanced Heart Failure William T. Abraham MD, Koonlawee Nademanee MD,

... general regulatory molecule contractility of muscles calcium metabolism in bird ... (reactive toxicants) ... sulfotransferase (ST) Excretion of ...

Dr Iram Tassaduq There are four characteristics associated with muscle tissue: Excitability Tissue can receive & respond to stimulation Contractility Tissue can ...

... Cardiac Output/ Cardiac Index Stroke Volume Comparing Hemodynamics to IV pump Fluid =preload Pump= CO or contractility (needs electricity) ...

contractile system: a molecular motor driven by ATP. Excitation-contraction ... Contractility: ability of contractile elements to interact and shorten against a ...

... afterload, contractility Peripheral vascular resistance Blood volume Blood viscosity Artery ... Perfusion & Coronary Artery Disease Last modified by:

Reductions of contractility and conduction velocity in AV Node, ... Side Effects: Hypotension & Bradycardia (Usually responsive to pressors & fluid therapy) ...

However, as per Aditi Jagtap Pune, in cases of chronic stress, where stress levels remain consistently elevated, the heightened activity state of the heart also remains constant. The uninterrupted release of stress hormones and the consistent increase in heart rate and contractility can ultimately result in long-term damage to your heart. The heart muscles may become weakened, resulting in a condition known as cardiomyopathy.

Etiology/Pathophysiology. Determinants of myocardial oxygen demand (MVO2) HR. contractility ... ventricular diastolic pressure, with or without clinical CHF ...

Chief chemical neurotransmitter at the post-ganglionic ... Pre-operative drying of secretions. Sympathetic Effects. Organ Site. Heart. SA Node. Contractility ...

... decreases force of contraction Digitalis Glycosides Increase myocardial contractility causing more complete emptying Digitalis Glycosides Digitoxin ...

Increases the force of the contractility of the ... Atenolol (Tenormin) Metoprolol (Lopressor) Timolol (Blocadren) Action: ... Atenolol (Tenormin) Action: ...

Excitability: cell's ability to respond to electrical impulse ... Contractility: ability of cardiac fibers to contract. Cardiac Conduction System ...

M2(-) B1( ) Baroreflex. Vagus Nerve. Major Arteries. Vascular ... GI Vasculature. B2. Relaxation. Na. NaCl K. ANP. Contractility. Conductivity. Automaticity ...

PRELOAD - stretch on the heart before contraction Frank-Starling Law of the heart ... CONTRACTILITY - forcefulness of contraction of ventricular fibers ...

Cardiac Physiology Control of Cardiac Output Factors Controlling CO Four factors control CO; heart rate, myocardial contractility, preload, and afterload.

Many of these remarkable changes begin soon after fertilization and continue ... Gallbladder changes. Reduced contractility of the gallbladder. Progesterone ...

By Nancy Jenkins RN,MSN What is Hemodynamic Monitoring and why do it? Comparing Hemodynamics to IV pump Fluid =preload Pump= CO or contractility (needs electricity ...

Ranolazine: Pathophysiologic effects vs older antianginals ... Non-DHP CCBs. DHP CCBs. -blockers. Myocardial contractility. Venous return. Arterial pressure ...

Presentation for 45th Annual Scientific Conference Fiji Medical Association. Joseph A. Flear, MD ... Starling's Law, contractility, force of contrac ...

... of the Heart. Collects deoxygenated ... Left ventricle- strongest muscular chamber of the heart. ... Contractility the force of contraction of heart muscle ...

Congestive Heart Failure Congestive heart failure: characterised by inadequate contractility, so that the ventricles have difficulty in expelling sufficient blood ...

The Cardiac Cycle Work Output of the Heart Preload, Afterload and Contractility Regulation of Heart Function The Frank Starling Mechanism Measurement of Cardiac ...

Autonomic nerve impulses alter the activities of the S-A and A-V nodes ... Alkalosis. Hormones. Catecholamines and thyroid hormones increase HR and contractility ...

How do agents in body modify heart rate and contractility? Chronotropic vs. ... Cardiac Reserve represents extra work your heart could do if you needed to do ...

Contractility - force of the squeezing that the ventricle is able to achieve ... in calcium or decrease in K or Mag will potentiate the effect of Digoxin ...

CO = SV X R e.g. 5.6 L = 70 mL X 80 bpm. Heart can alter CO to adapt to metabolic ... Starling's Law the stretch contraction. Heart muscle contractility ...

Figure 3 The slope of the Starling curve is a measure of contractility. ... A second option is the use of the Starling curve (fig. ...

Big Market Research “Global Opioid-Induced Constipation Market” Size, Share, Industry Trends, Demand, Insights, Analysis, Research, Report, Opportunities, Company Profiles, Forecast to 2019. Visit for more info @ http://www.bigmarketresearch.com/global-opioid-induced-constipation-2015-2019-market Opioids are administered to the patients with acute and non-cancer chronic pain. They have several adverse gastrointestinal effects, one of which is opioid-induced constipation. The opioid analgesics produce analgesia by the activation of the mu receptors found in the CNS and PNS. These drugs affect the motility, tone, and contractility of the bowel functions, which results in the delay in the transit of fecal contents.

PATHOPHYSIOLOGY OF HEART FAILURE Prof. J. Hanacek Technical co-operation: L. urinov

Heart Pump and Cardiac Cycle Faisal I. Mohammed, MD, PhD

Urodynamics and Bladder Outlet Obstruction Hann-Chorng Kuo Department of Urology Buddhist Tzu Chi General Hospital Bladder Outlet Obstruction BOO occurs in both women ...

Cardiovascular Anatomy, Physiology and Pathophysiology Review Jeffrey Groom, MS, CRNA, ARNP Principles of Anesthesia III - Cardiothoracic Anesthesia

Cardiac Output Tutorial and Concept Map J. Ellen Lathrop-Davis Community College of Baltimore County, MD Cardiac Output is the volume of blood that leaves each ...

Excitation-Contraction Coupling (continued) At the end of plateau of cardiac AP, i.e. during repolarization, Ca2+ in sarcoplasm is rapidly ...

Notes to heart physiology. Essential functions of the heart ... 1. Increased pressure load. central (aortic stenosis, aortic coarctation...

The circular reasoning trap in what controls cardiac output Cardiac output Venous return How Can we analyze this? Arthur Guyton found the answer Arthur Guyton found ...

potential into adjacent cells and initiates ... at the same time on which both isotonic contraction curves and ... Theoretically (and in an out-dated manner) ...

Veins return blood to the heart. As the heart fills with blood, the absolute ... When the pressure inside the heart falls below the pressure of the great veins ...

PATHOPHYSIOLOGY OF HEART FAILURE Prof. J. Hanacek PATHOPHYSIOLOGY OF HEART FAILURE Prof. J. Hanacek Definition of diastolic heart failure It is pathophysiological ...

Myocardial muscle is perfused by the coronary arteries. ... Pumping action is rhythmic. Blood is pumped simultaneously from the atria to the ventricles ...

Haemodynamic Monitoring Theory and Practice Inclusion of lung water in the therapeutic strategy has a great influence on the patient s outcome.

automaticity: cells can depolarize without any impulse from ... Contractile cells. The Neuromuscular Junction. Fast Na. Slow K. Stimulus. Skeletal Muscle ...

Has a long (250 ms) absolute refractory period ... Positive chronotropic factors increase heart rate. Negative chronotropic factors decrease heart rate ...

Cardiac Glycosides and Therapy of Congestive Heart Failure Philip Marcus, MD MPH Pathophysiology of Congestive Heart Failure Inability of the heart to pump blood in ...

Clinical Cardiovascular Anatomy & Physiology Concepts, Definitions, & Principles Slides developed in collaboration with Dr. John Green, 2003. Cardiac Muscle ...

Title: Congestive Heart Failure Author: car2ph Last modified by: skulesz Created Date: 4/10/2005 1:24:35 PM Document presentation format: On-screen Show (4:3)

To understand the heart and mind of a person, look not at what he has already achieved, but at what he aspires to-Kahlil Gibran PDA: Open and ductus artesiosus: blood ...

heart pumping power. Mechanism of contraction depends on the contractile ... Has the fastest rhythm (rate of discharge) of all. parts of the heart, 90 impulses/min. ...

... 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 ...

0 Cardiac Glycosides and Therapy of Congestive Heart Failure Philip Marcus, MD MPH Pathophysiology of Congestive Heart Failure Inability of the heart to pump blood in ...

Chapter 20 the heart Heart dynamics HR sympathetics controlled by cardioacceleratory centers in the medulla oblongata reflexes hypothalamus Normal: Sympathetics: fig ...