A rare case: Coronary sinus thrombosis
... these pages and does not make any representations regarding the content or accuracy of material in this file. As per copyright regulations, any unauthorised use of the material or parts thereof as well as commercial reproduction or multiple distribution by any traditional or electronically ...
... these pages and does not make any representations regarding the content or accuracy of material in this file. As per copyright regulations, any unauthorised use of the material or parts thereof as well as commercial reproduction or multiple distribution by any traditional or electronically ...
Pediatric Advanced Life Support
... Action: increases force of contraction and heart rate; causes mild peripheral dilation; may be used to treat shock Dosing: IV/IO: 2-20 mcg/kg/min infusion ...
... Action: increases force of contraction and heart rate; causes mild peripheral dilation; may be used to treat shock Dosing: IV/IO: 2-20 mcg/kg/min infusion ...
Ventricular Septal Defect Explained - New
... on the significance of the defect. Congestive heart failure begins when the heart is not able to pump blood with adequate oxygen to the tissues. Without adequate oxygen, the body’s cells become desperate and trigger a series of responses. Various hormones are released by several organs in an attempt ...
... on the significance of the defect. Congestive heart failure begins when the heart is not able to pump blood with adequate oxygen to the tissues. Without adequate oxygen, the body’s cells become desperate and trigger a series of responses. Various hormones are released by several organs in an attempt ...
Early history of the pre
... Poindexter published the first experimental animal study using an ‘‘electric bypass between the atrium and ventricle’’ [24]. The investigators were able experimentally to generate tracings similar to the previously described WPW syndrome. Thus, A-V bypass tracts as the mechanism of pre-excitation wa ...
... Poindexter published the first experimental animal study using an ‘‘electric bypass between the atrium and ventricle’’ [24]. The investigators were able experimentally to generate tracings similar to the previously described WPW syndrome. Thus, A-V bypass tracts as the mechanism of pre-excitation wa ...
Slide 1 - AccessCardiology
... Action potential duration (APD) restitution and stability of reentrant. A. APD shortening and APD alternans as pacing cycle length (PCL) decreases (computer simulation). Diastolic interval (DI) is measured from the end of the preceding action potential to the onset of phase zero of the present actio ...
... Action potential duration (APD) restitution and stability of reentrant. A. APD shortening and APD alternans as pacing cycle length (PCL) decreases (computer simulation). Diastolic interval (DI) is measured from the end of the preceding action potential to the onset of phase zero of the present actio ...
D Marangoni Papers on T Wave Alternans
... (instead of once per second), the x-axis of the power spectrum is measured in frequency units of cycles per beat instead of more usual cycles per second. Alternans shows up as a peak at exactly 1 cycle every 2 beats therefore at 0,5 Cycles / Beat. Using this Spectral Method, Alternans may reliable b ...
... (instead of once per second), the x-axis of the power spectrum is measured in frequency units of cycles per beat instead of more usual cycles per second. Alternans shows up as a peak at exactly 1 cycle every 2 beats therefore at 0,5 Cycles / Beat. Using this Spectral Method, Alternans may reliable b ...
Tachycardia - UW Blogs Network
... impulse encounters separate and electrophysiologically distinct pathways that are anatomically connected at both ends as shown below. In this example (Figure 1), a wave of depolarization (impulse for short), shown as the heavy black arrow in the left panel depolarizes from top to bottom via separate ...
... impulse encounters separate and electrophysiologically distinct pathways that are anatomically connected at both ends as shown below. In this example (Figure 1), a wave of depolarization (impulse for short), shown as the heavy black arrow in the left panel depolarizes from top to bottom via separate ...
An echocardiogram, also known as a cardiac ultrasound, is a
... gently against the skin of the patient). These focused waves travel through the body and are reflected/partially reflected off different layers of tissue in the body, which produces an image for the ultrasonographer to see. This is the same technology that is used for sonography of pregnancies in hu ...
... gently against the skin of the patient). These focused waves travel through the body and are reflected/partially reflected off different layers of tissue in the body, which produces an image for the ultrasonographer to see. This is the same technology that is used for sonography of pregnancies in hu ...
Cardiac Pacemaker
... include no visible pacemaker device under a patient's chest skin, no incision scar on the chest and no restrictions on a patient's activities. • The device's benefits may also allow for less patient discomfort, infections, and device complications and ...
... include no visible pacemaker device under a patient's chest skin, no incision scar on the chest and no restrictions on a patient's activities. • The device's benefits may also allow for less patient discomfort, infections, and device complications and ...
8311.Collapsing box
... occasionally in their life, although more commonly when younger - often referred to as ‘Boxer faint’. This might be a consequence of a vasovagal reflex following excitement or on rising from a sleep. However since dilated cardiomyopathy is not uncommon in Boxer’s and it often present initially with ...
... occasionally in their life, although more commonly when younger - often referred to as ‘Boxer faint’. This might be a consequence of a vasovagal reflex following excitement or on rising from a sleep. However since dilated cardiomyopathy is not uncommon in Boxer’s and it often present initially with ...
ventricular tachycardia: recognition and Management for the internist
... Any supraventricular tachycardia can present as a wide QRS complex tachycardia mimicking VT. In AVNRT, atrial tachyarrhythmias, atrial flutter with a fixed A:V relationship and AVRT involving a retrograde concealed accessory pathway, wide QRS complex tachycardia is the result of delayed or blocked c ...
... Any supraventricular tachycardia can present as a wide QRS complex tachycardia mimicking VT. In AVNRT, atrial tachyarrhythmias, atrial flutter with a fixed A:V relationship and AVRT involving a retrograde concealed accessory pathway, wide QRS complex tachycardia is the result of delayed or blocked c ...
A Novel Technique for Analysis of Heart Sound Signal
... Ebstein's disease. Functional or innocent murmurs venous hum. Patent ductus arteriosus. ...
... Ebstein's disease. Functional or innocent murmurs venous hum. Patent ductus arteriosus. ...
The Circulatory and Respiratory System
... When you breathe in, your respiratory system receives fresh oxygen. The oxygen first goes into your lungs and then into the left side of your heart. It is then pumped by the heart into your blood stream. Figure 1.2 shows the flow of oxygen and carbon dioxide pumped to the body. Blood travels through ...
... When you breathe in, your respiratory system receives fresh oxygen. The oxygen first goes into your lungs and then into the left side of your heart. It is then pumped by the heart into your blood stream. Figure 1.2 shows the flow of oxygen and carbon dioxide pumped to the body. Blood travels through ...
heart failure
... The rationale for BBs use is based on the hypothesis ….. However, such therapy must be initiated very cautiously at low doses, because……. After several months: slight ↑EF, ↓HR, ↓ symptoms. MBC: have been shown to reduce mortality. CCBs appear to have no role in the treatment of patients with HF. The ...
... The rationale for BBs use is based on the hypothesis ….. However, such therapy must be initiated very cautiously at low doses, because……. After several months: slight ↑EF, ↓HR, ↓ symptoms. MBC: have been shown to reduce mortality. CCBs appear to have no role in the treatment of patients with HF. The ...
The American Heart Association`s Scientific Statement
... decreasing the ability of the heart to relax and to fill completely during the resting phase of the heart beat. This decreased “compliance,” when associated with decreased blood supply to the heart muscle through the coronary arteries results in heart disease unique to the elderly. Thus the shortnes ...
... decreasing the ability of the heart to relax and to fill completely during the resting phase of the heart beat. This decreased “compliance,” when associated with decreased blood supply to the heart muscle through the coronary arteries results in heart disease unique to the elderly. Thus the shortnes ...
The_heart_and_the_circulatory_system - divaparekh
... ----so heart muscle needs constant supply of nutrients and oxygen – to keep on working- coronary arteries does it --- If a coronary artery gets blocked the cardiac muscle run short of oxygen --- can not respire, so it does not have the energy to contract-heart stops beating --- HEART ATTACK or CARDI ...
... ----so heart muscle needs constant supply of nutrients and oxygen – to keep on working- coronary arteries does it --- If a coronary artery gets blocked the cardiac muscle run short of oxygen --- can not respire, so it does not have the energy to contract-heart stops beating --- HEART ATTACK or CARDI ...
How Does it work? Why does my pet need an echocardiogram if we
... focused waves travel through the body and are reflected/partially reflected off different layers of tissue in the body, which produces an image for the ultrasonographer to see. This is the same technology that is used for sonography of pregnancies in humans. ...
... focused waves travel through the body and are reflected/partially reflected off different layers of tissue in the body, which produces an image for the ultrasonographer to see. This is the same technology that is used for sonography of pregnancies in humans. ...
Heart Attack Signs and Symptoms
... The normal heart is a pump made of muscle tissue. It's about the size of your fist. ...
... The normal heart is a pump made of muscle tissue. It's about the size of your fist. ...
Internal Cardioversion book (Printable Version) - University
... abnormal rhythm that you may be experiencing. NORMAL HEART RHYTHM Normally the signal that tells the heart to beat comes from a group of pacemaker cells in the heart called the sino atrial node (SA node). This starts electrical activity that produces contraction of the two atria (upper heart chamber ...
... abnormal rhythm that you may be experiencing. NORMAL HEART RHYTHM Normally the signal that tells the heart to beat comes from a group of pacemaker cells in the heart called the sino atrial node (SA node). This starts electrical activity that produces contraction of the two atria (upper heart chamber ...
“ Catheter ablation of VT in patients with a structural heart disease
... with recurrent VT • Induce VT then interrupt by PES pacing • Define the VT isthmus • Ablate and check for NO further inducibility by PES • Clinical success >75% reduction in VT episodes ...
... with recurrent VT • Induce VT then interrupt by PES pacing • Define the VT isthmus • Ablate and check for NO further inducibility by PES • Clinical success >75% reduction in VT episodes ...
Biology Template Assignment
... Guidance notes: In order to achieve merits and distinctions here you will need to show that you have included information relevant to the subject area as well as including information you have researched for yourself. Read the questions carefully and answer accurately. Where you are asked to draw di ...
... Guidance notes: In order to achieve merits and distinctions here you will need to show that you have included information relevant to the subject area as well as including information you have researched for yourself. Read the questions carefully and answer accurately. Where you are asked to draw di ...
HEART IQ?
... 10) False. Frequent or significant changes in the rate and rhythm of your heart, especially those that are accompanied by other symptoms like severe dizziness or shortness of breath, should be checked by a physician. Some rate and rhythm problems are congenital (inherited), or can be a signal of add ...
... 10) False. Frequent or significant changes in the rate and rhythm of your heart, especially those that are accompanied by other symptoms like severe dizziness or shortness of breath, should be checked by a physician. Some rate and rhythm problems are congenital (inherited), or can be a signal of add ...
(1). heart rate ↑→cardiac output
... Importance of the heterometric regulation • In general, heterometric regulation plays only a shorttime role, such as during the body posture change, artery pressure increase, and unbalance between the left and the right ventricular outputs. • In other conditions, such as exercise, cardiac output is ...
... Importance of the heterometric regulation • In general, heterometric regulation plays only a shorttime role, such as during the body posture change, artery pressure increase, and unbalance between the left and the right ventricular outputs. • In other conditions, such as exercise, cardiac output is ...
Systolic heart failure
... an intermittent rest period between systolic periods. ―Up to 15% of myocardial energy may be expended for that ...
... an intermittent rest period between systolic periods. ―Up to 15% of myocardial energy may be expended for that ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.