Cardiac Arrhythmias: What to Treat, When and How
... (and lead to sudden death) if the ventricular ectopics occur at such a high HR that the ectopic falls on the T wave of the previous sinus complex (“R on T”). If cardiac output is compromised or electrical instability is suspected, therapy is warranted. The cornerstone of acute therapy of ventricular ...
... (and lead to sudden death) if the ventricular ectopics occur at such a high HR that the ectopic falls on the T wave of the previous sinus complex (“R on T”). If cardiac output is compromised or electrical instability is suspected, therapy is warranted. The cornerstone of acute therapy of ventricular ...
30.3 The Heart and Circulation
... The heart is a muscular pump that moves the blood through two pathways. ...
... The heart is a muscular pump that moves the blood through two pathways. ...
Properties of Cardiac Muscle
... node (only point of electrical contact between chambers) Action potential briefly delayed at AV node (ensures atrial contraction precedes ventricular contraction to allow complete ventricular filling) Impulse travels rapidly down interventricular septum by means of bundle of His Impulse rapidly disp ...
... node (only point of electrical contact between chambers) Action potential briefly delayed at AV node (ensures atrial contraction precedes ventricular contraction to allow complete ventricular filling) Impulse travels rapidly down interventricular septum by means of bundle of His Impulse rapidly disp ...
Cardiovascular System Notes
... Lubb = ventricular contraction; A-V valves closing Dupp = ventricular relaxation; pulmonary & aortic valves closing Murmur = abnormal heart sounds ...
... Lubb = ventricular contraction; A-V valves closing Dupp = ventricular relaxation; pulmonary & aortic valves closing Murmur = abnormal heart sounds ...
Is it a heart attack?
... pain shocks you unexpectedly. You had better call 911 shoulder, arms or back and may feel like burning, squeezing, heaviness or pressure. It may be chest right now — you are probably having a heart attack. pain that is brought on with exertion and goes away In 2004 there were about 75,000 heart atta ...
... pain shocks you unexpectedly. You had better call 911 shoulder, arms or back and may feel like burning, squeezing, heaviness or pressure. It may be chest right now — you are probably having a heart attack. pain that is brought on with exertion and goes away In 2004 there were about 75,000 heart atta ...
ECG How to’s - CecchiniCuore
... of the upward wave of polarization, it may appear before, after or during the QRS complex. If the AV node fails to depolarize, the ventricles will take over and resemble a VPC as a wide, bizarre QRS complex w/o an associated P wave. The difference between the two is that an escape beat is life-s ...
... of the upward wave of polarization, it may appear before, after or during the QRS complex. If the AV node fails to depolarize, the ventricles will take over and resemble a VPC as a wide, bizarre QRS complex w/o an associated P wave. The difference between the two is that an escape beat is life-s ...
Sudden Cardiac Arrest Or Heart Attack: Know The Difference
... person goes without treatment, the greater the damage. Symptoms of a heart attack may be immediate and intense. More often, though, symptoms start slowly and persist for hours, days or even weeks before the heart attack. The heart usually does not stop beating during a heart attack. Symptoms can dif ...
... person goes without treatment, the greater the damage. Symptoms of a heart attack may be immediate and intense. More often, though, symptoms start slowly and persist for hours, days or even weeks before the heart attack. The heart usually does not stop beating during a heart attack. Symptoms can dif ...
Read more regarding the ECGenie and also view
... An important part of preclinical safety profiling of a pharmacological agent involves screening for cardiac effects. Many toxic drug effects are reflected in changes to the rhythm of the heart, these include slowing (bradycardia) or quickening (tachycardia) of the heart rate, heart rate variability ...
... An important part of preclinical safety profiling of a pharmacological agent involves screening for cardiac effects. Many toxic drug effects are reflected in changes to the rhythm of the heart, these include slowing (bradycardia) or quickening (tachycardia) of the heart rate, heart rate variability ...
Chapter 1 A Perspective on Human Genetics
... Electrical Activity of Heart • Cardiac impulse originates at SA node • Action potential spreads throughout right and left atria • Impulse passes from atria into ventricles through AV node (only point of electrical contact between chambers) • Action potential briefly delayed at AV node (ensures atri ...
... Electrical Activity of Heart • Cardiac impulse originates at SA node • Action potential spreads throughout right and left atria • Impulse passes from atria into ventricles through AV node (only point of electrical contact between chambers) • Action potential briefly delayed at AV node (ensures atri ...
this PDF file - The Southwest Respiratory and Critical
... shows some regularity on the electrocardiogram but ventricular fibrillation represents rapid and chaotic electrical activity which emanates from the ventricles and appears as an entirely irregular electrical activity on the electrocardiogram. Cardiac arrest occurs within seconds, resulting in damage ...
... shows some regularity on the electrocardiogram but ventricular fibrillation represents rapid and chaotic electrical activity which emanates from the ventricles and appears as an entirely irregular electrical activity on the electrocardiogram. Cardiac arrest occurs within seconds, resulting in damage ...
Hypoplastic Left Heart Syndrome
... Marshall, A. (2015, January 22). Hypoplastic left heart syndrome. In Wolters Kluwer Health. NCBI. (2013, November 5). Hypoplastic left heart syndrome. In PubMed Health. Retrieved from http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002096/#adam_001106.disease.causes Soetenga, D., & Mussatto, K. A. (200 ...
... Marshall, A. (2015, January 22). Hypoplastic left heart syndrome. In Wolters Kluwer Health. NCBI. (2013, November 5). Hypoplastic left heart syndrome. In PubMed Health. Retrieved from http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002096/#adam_001106.disease.causes Soetenga, D., & Mussatto, K. A. (200 ...
Fasciculoventricular accessory pathway: A
... situations the fasciculoventricular AP acted as a bystander. The P waves during the tachycardia, which were visible after the QRS complexes, were evidently positive in leads II and III (Fig. 2), excluding from the diagnosis atrioventricular nodal reentrant tachycardia. Concentric and decremental ret ...
... situations the fasciculoventricular AP acted as a bystander. The P waves during the tachycardia, which were visible after the QRS complexes, were evidently positive in leads II and III (Fig. 2), excluding from the diagnosis atrioventricular nodal reentrant tachycardia. Concentric and decremental ret ...
Rapid Heart Beat or Tachycardia
... Some people with tachycardia have no symptoms and don't realize they have this condition until a doctor discovers it during a physical examination Your heart is a muscular pump that circulates blood all around your body. There are four hollow chambers in your heart — the two upper chambers are the a ...
... Some people with tachycardia have no symptoms and don't realize they have this condition until a doctor discovers it during a physical examination Your heart is a muscular pump that circulates blood all around your body. There are four hollow chambers in your heart — the two upper chambers are the a ...
Innocent Heart Murmurs
... is silent between beats. An innocent murmur is a sound between beats that does not indicate something is wrong with the structure of the heart. It is just a sound made because of the way the blood flows through the heart. The doctor will often be able to tell what is causing the turbulence when he o ...
... is silent between beats. An innocent murmur is a sound between beats that does not indicate something is wrong with the structure of the heart. It is just a sound made because of the way the blood flows through the heart. The doctor will often be able to tell what is causing the turbulence when he o ...
Document
... • Ca+2 surge prolongs the depolarization phase and delays repolarization (excess + ions in cell) Repolarization: Ca+2 begin to close; K+ channels open and K+ leaves the cell. ...
... • Ca+2 surge prolongs the depolarization phase and delays repolarization (excess + ions in cell) Repolarization: Ca+2 begin to close; K+ channels open and K+ leaves the cell. ...
Pediatric-Cardiology-Elective
... at 8:00 a.m. the Monday morning of the rotation and ask for Dr. Malpass or Dr. Raunikar. (If it is the first Monday of the month, report at 1:00 PM) Number of weeks: ...
... at 8:00 a.m. the Monday morning of the rotation and ask for Dr. Malpass or Dr. Raunikar. (If it is the first Monday of the month, report at 1:00 PM) Number of weeks: ...
The Heart - WordPress.com
... There are valves between the atria and the ventricles… …and there are valves leading out of the ventricles. 9 of 49 ...
... There are valves between the atria and the ventricles… …and there are valves leading out of the ventricles. 9 of 49 ...
Pediatric Cardiology
... at 8:00 a.m. the Monday morning of the rotation and ask for Dr. Malpass or Dr. Raunikar. (If it is the first Monday of the month, report at 1:00 PM) Number of weeks: ...
... at 8:00 a.m. the Monday morning of the rotation and ask for Dr. Malpass or Dr. Raunikar. (If it is the first Monday of the month, report at 1:00 PM) Number of weeks: ...
Outline - University Health
... • Inspiration causes right-sided cardiac events to be louder and delays left-sided events by a few seconds because of ...
... • Inspiration causes right-sided cardiac events to be louder and delays left-sided events by a few seconds because of ...
The Cardiovascular System: The Heart
... 5. Bundle branches carry the impulse toward the apex of the heart 6. Purkinje fibers carry the impulse to the heart apex & ventricular walls Extrinsic Innervation of the Heart ...
... 5. Bundle branches carry the impulse toward the apex of the heart 6. Purkinje fibers carry the impulse to the heart apex & ventricular walls Extrinsic Innervation of the Heart ...
New study shows tissue healing response following a heart attack
... the fiborous load-bearing microstructure around cardiac cells and found that following a heart attack the newly-forming scar tissue was made up of collagen fibers that were thinner, less naturally fluorescent, and more aligned than in healthy tissue. These fiber properties measured with multiphoton ...
... the fiborous load-bearing microstructure around cardiac cells and found that following a heart attack the newly-forming scar tissue was made up of collagen fibers that were thinner, less naturally fluorescent, and more aligned than in healthy tissue. These fiber properties measured with multiphoton ...
Sinus Rhythms - Beaumont Emergency Medicine
... rate will be in the range of 40-60 with a narrow QRS If the escape rhythm originates in the ventricles, the ventricular rate will be in the range of 20-40 with a wide QRS ...
... rate will be in the range of 40-60 with a narrow QRS If the escape rhythm originates in the ventricles, the ventricular rate will be in the range of 20-40 with a wide QRS ...