Electrocardiography: Atrial Fibrillation - e
... Atrial fibrillation (AF) is the most common chronic arrhythmia. It causes significant symptoms and impairs both functional status and quality of life. The incidence and prevalence of AF increase with age. According to recent guidelines, the prevalence of AF rises from an estimated 0.4% to 1% in the ...
... Atrial fibrillation (AF) is the most common chronic arrhythmia. It causes significant symptoms and impairs both functional status and quality of life. The incidence and prevalence of AF increase with age. According to recent guidelines, the prevalence of AF rises from an estimated 0.4% to 1% in the ...
Idiopathic ventricular tachycardia in 21–year
... ablation Ø It is sometimes diagnosed in young adults with early repolarization (ER) pattern on ECG which has been long considered as a benign electocardiographic manifestation Ø Concomitant short QT syndrome is probably associated with both atrial and ventricular arrhythmias and live-threatening ...
... ablation Ø It is sometimes diagnosed in young adults with early repolarization (ER) pattern on ECG which has been long considered as a benign electocardiographic manifestation Ø Concomitant short QT syndrome is probably associated with both atrial and ventricular arrhythmias and live-threatening ...
Co-ordination of the Cardiac Cycle
... delay). • The bundle of His is a group of fibres that conduct impulses to Purkyne fibres which carry impulses to left & right ventricles. • Ventricles then contract from the bottom upwards. ...
... delay). • The bundle of His is a group of fibres that conduct impulses to Purkyne fibres which carry impulses to left & right ventricles. • Ventricles then contract from the bottom upwards. ...
Heart Blocks - Karina Vercic
... • A constant PR interval that is usually of normal duration with random dropped beats • In the case of type 2 block, atrial contractions are not regularly followed by ventricular contraction • 2 or more dropped QRS in a row ...
... • A constant PR interval that is usually of normal duration with random dropped beats • In the case of type 2 block, atrial contractions are not regularly followed by ventricular contraction • 2 or more dropped QRS in a row ...
Automated External Defibrillators in the Workplace
... electric shock to victims of ventricular fibrillation to restore the heart rhythm to normal. Ventricular fibrillation is the uncoordinated heart rhythm most often responsible for sudden cardiac arrest. Sudden Cardiac Arrest Sudden cardiac arrest occurs when ventricular fibrillation takes place or wh ...
... electric shock to victims of ventricular fibrillation to restore the heart rhythm to normal. Ventricular fibrillation is the uncoordinated heart rhythm most often responsible for sudden cardiac arrest. Sudden Cardiac Arrest Sudden cardiac arrest occurs when ventricular fibrillation takes place or wh ...
Ventricular hypertrophy icd 10
... Aneurysm of heart; Heart left ventricular aneurysm short axis view: Classification and external resources; ICD-10: I25.3: ICD-9-CM: 414.1: MeSH: D006322 H disease Haas' disease or osteochondrosis Habit, habituation Hachimycin Haemophilus influenzae, as cause of disease classified elsewhere Haff dise ...
... Aneurysm of heart; Heart left ventricular aneurysm short axis view: Classification and external resources; ICD-10: I25.3: ICD-9-CM: 414.1: MeSH: D006322 H disease Haas' disease or osteochondrosis Habit, habituation Hachimycin Haemophilus influenzae, as cause of disease classified elsewhere Haff dise ...
A1983QN92800001
... that the failing left ventricle is characterDenver, CO 80220 ized by the presence of a prolonged systolic pre-ejection period (PEP) and an abbreviatMarch 28, 1983 ed left ventricular ejection time (LVET) while total electromechanical systole re“In the mid-1960s, technical develop- mains within norma ...
... that the failing left ventricle is characterDenver, CO 80220 ized by the presence of a prolonged systolic pre-ejection period (PEP) and an abbreviatMarch 28, 1983 ed left ventricular ejection time (LVET) while total electromechanical systole re“In the mid-1960s, technical develop- mains within norma ...
orthodromic AV-reentrant tachycardia
... • JTs (also known as nonparoxysmal or sustained junctional tachycardia) show sustained ventricular rates but rarely exceed 130 beats/min. • JTs are commonly associated with structural heart disease, metabolic disturbances, or drug toxicity. • Treatment is aimed at addressing underlying conditions, a ...
... • JTs (also known as nonparoxysmal or sustained junctional tachycardia) show sustained ventricular rates but rarely exceed 130 beats/min. • JTs are commonly associated with structural heart disease, metabolic disturbances, or drug toxicity. • Treatment is aimed at addressing underlying conditions, a ...
Cardiovascular Physiology Today
... Impulse from SA node is blocked before it enters atria Latent pacemakers pick up authority No/small p-waves clue: Atrial fibrillation ...
... Impulse from SA node is blocked before it enters atria Latent pacemakers pick up authority No/small p-waves clue: Atrial fibrillation ...
When arrhythmias complicate heart failure - Af
... prevalence of these ventricular rhythm disturbances in heart failure patients is high, but inferior to the atrial fibrillation one. In most cases, arrhythmias (both atrial and ventricular) occur due to the same underlying heart disease, but in other circumstances they can be only adverse effects of ...
... prevalence of these ventricular rhythm disturbances in heart failure patients is high, but inferior to the atrial fibrillation one. In most cases, arrhythmias (both atrial and ventricular) occur due to the same underlying heart disease, but in other circumstances they can be only adverse effects of ...
Sudden cardiac death with “normal” heart: molecular autopsy
... cardiomyopathy, featured by non ischemic ST segment elevation, due to delayed sodium exit during repolarization. Whether there are structural alterations associated with Brugada syndrome is still a matter of controversy. At difference from the previous ones, catecholaminergic polymorphic ventricular ...
... cardiomyopathy, featured by non ischemic ST segment elevation, due to delayed sodium exit during repolarization. Whether there are structural alterations associated with Brugada syndrome is still a matter of controversy. At difference from the previous ones, catecholaminergic polymorphic ventricular ...
PowerPoint File
... ALBATROSS Trial design: Patients with MI without heart failure were randomized to an IV bolus of potassium canrenoate 200 mg as early as possible, then oral spironolactone 25 mg daily for 6 months (n = 802) vs. control (n = 801). ...
... ALBATROSS Trial design: Patients with MI without heart failure were randomized to an IV bolus of potassium canrenoate 200 mg as early as possible, then oral spironolactone 25 mg daily for 6 months (n = 802) vs. control (n = 801). ...
DRUG DOSAGE AND ADMINISTRATION Ajmaline 1 mg/kg over 5
... disease) or in the presence of wide QRS, wide P waves, or prolonged PR intervals (i.e. infranodal conduction disease) to avoid the risk of precipitating complete AV block. Electro‐mechanical dissociation has been encountered in isolated cases. Isoprenaline and ...
... disease) or in the presence of wide QRS, wide P waves, or prolonged PR intervals (i.e. infranodal conduction disease) to avoid the risk of precipitating complete AV block. Electro‐mechanical dissociation has been encountered in isolated cases. Isoprenaline and ...
Cardiac Electrophysiology
... simultaneously and last for roughly 250ms. This is enabled by an effective refractory period (ERP) of 200ms which prevents the initiation of an AP before the decay of the preceding one as well as the relative refractory period (RRP) which lasts 50ms and only allows AP generation by a higher than nor ...
... simultaneously and last for roughly 250ms. This is enabled by an effective refractory period (ERP) of 200ms which prevents the initiation of an AP before the decay of the preceding one as well as the relative refractory period (RRP) which lasts 50ms and only allows AP generation by a higher than nor ...
Ablation
... • Phase 3 of the repolarization is mediated by activation of the delayed rectifier potassium current (IK) moving outward while the inward positive current decays. If a slow inactivation of the Ca++ and Na+ currents occurs, this inward "window" current can cause single or repetitive depolarization du ...
... • Phase 3 of the repolarization is mediated by activation of the delayed rectifier potassium current (IK) moving outward while the inward positive current decays. If a slow inactivation of the Ca++ and Na+ currents occurs, this inward "window" current can cause single or repetitive depolarization du ...
left atrial myxoma presenting as paroxysmal atrial fibrillation
... Discussion: Myxomas are the most common primary cardiac tumors and about 75% are in the left atrium. Initial suspicion for myxomas is reported to be as low as 5.7%. Systemic embolization is present in about 30% of patients and valvular obstruction can sometimes result in sudden cardiac death. Left v ...
... Discussion: Myxomas are the most common primary cardiac tumors and about 75% are in the left atrium. Initial suspicion for myxomas is reported to be as low as 5.7%. Systemic embolization is present in about 30% of patients and valvular obstruction can sometimes result in sudden cardiac death. Left v ...
LO2 – Ionic currents that generate cardiac action potentials
... LO5 – Excitatory and conduction system of the heart Internodal tracts ...
... LO5 – Excitatory and conduction system of the heart Internodal tracts ...
Warfarin Use in Thrombocytopenic Young Adult Male with Atrial
... Prevalence of atrial fibrillation in adult less than 40 years is about 0.1% per year. Fever and thrombocytopenia in rheumatic heart disease are frequently misdiagnosed with viral illness, restraining patient from vitamin K antagonist use which might be life saving, particularly in atrial fibrillatio ...
... Prevalence of atrial fibrillation in adult less than 40 years is about 0.1% per year. Fever and thrombocytopenia in rheumatic heart disease are frequently misdiagnosed with viral illness, restraining patient from vitamin K antagonist use which might be life saving, particularly in atrial fibrillatio ...
Cardiac Conducting System
... They then divide into a dense network of conducting fibres in the ventricular walls Stimulating of these fibres causes ventricular systole This starts from the heart apex and works ...
... They then divide into a dense network of conducting fibres in the ventricular walls Stimulating of these fibres causes ventricular systole This starts from the heart apex and works ...
Ventricular Assist Devices (VAD)
... Ventricular assist devices (VADs) are used to assist the left ventricle (LVADs), the right ventricle (RVADs), or both, and removal of the native heart is not necessary; VADs do not replace the heart, but rather work with the Member’s own heart to pump sufficient blood throughout the body, and, thus, ...
... Ventricular assist devices (VADs) are used to assist the left ventricle (LVADs), the right ventricle (RVADs), or both, and removal of the native heart is not necessary; VADs do not replace the heart, but rather work with the Member’s own heart to pump sufficient blood throughout the body, and, thus, ...
2016 department of medicine research day
... and humans, and interruption of ganglionic neurotransmission at cardiac ganglia in the isolated mouse heart is proarrhythmic. To determine if T2DM mice are susceptible to ventricular arrhythmias and if interruption of ganglionic neurotransmission contributes to the phenotype, we evaluated the sensit ...
... and humans, and interruption of ganglionic neurotransmission at cardiac ganglia in the isolated mouse heart is proarrhythmic. To determine if T2DM mice are susceptible to ventricular arrhythmias and if interruption of ganglionic neurotransmission contributes to the phenotype, we evaluated the sensit ...
8533010_defibrillators
... These units are a compromise between a full manual unit and an automated unit. They are mostly used by pre-hospital care professionals such as paramedics and emergency medical technicians. These units have the automated capabilities of the AED but also feature an ECG display, and a manual override ...
... These units are a compromise between a full manual unit and an automated unit. They are mostly used by pre-hospital care professionals such as paramedics and emergency medical technicians. These units have the automated capabilities of the AED but also feature an ECG display, and a manual override ...
Premature Ventricular Contractions
... • Increased cardiac output and oxygen delivery • Initiate abnormal automaticity, triggered activity, reentry ...
... • Increased cardiac output and oxygen delivery • Initiate abnormal automaticity, triggered activity, reentry ...
Atropine-induced non-sustained polymorphic ventricular tachycardia
... refractory periods becomes greater at faster rates when the myocardium is ischemic. This increase in disparity will lead to slow, nonhomogenous spread of impulses, resulting in reentrant activity and eventually ventricular fibrillation. Moreover the efflux of potassium from the myocardial cells asso ...
... refractory periods becomes greater at faster rates when the myocardium is ischemic. This increase in disparity will lead to slow, nonhomogenous spread of impulses, resulting in reentrant activity and eventually ventricular fibrillation. Moreover the efflux of potassium from the myocardial cells asso ...
Ventricular fibrillation
Ventricular fibrillation (V-fib or VF) is a condition in which there is uncoordinated contraction of the cardiac muscle of the ventricles in the heart, making them quiver rather than contract properly. Ventricular fibrillation is the most commonly identified arrhythmia in cardiac arrest patients. While there is some activity, the lay person is usually unable to detect it by palpating (feeling) the major pulse points of the carotid and femoral arteries. Such an arrhythmia is only confirmed by electrocardiography. Ventricular fibrillation is a medical emergency that requires prompt Advanced Life Support interventions. If this arrhythmia continues for more than a few seconds, it will likely degenerate further into asystole (""flatline""). This condition results in cardiogenic shock and cessation of effective blood circulation. As a consequence, sudden cardiac death (SCD) will result in a matter of minutes. If the patient is not revived after a sufficient period (within roughly 5 minutes at room temperature), the patient could sustain irreversible brain damage and possibly become brain-dead, due to the effects of cerebral hypoxia. On the other hand, death often occurs if sinus rhythm is not restored within 90 seconds of the onset of VF, especially if it has degenerated further into asystole.