…Sudden Cardiac Arrest and Cardiopulmonary Resuscitation (CPR). Cardiac arrest ensues when ventricular contractions cease or are meaningless. This immediately leads to syncope and soon death…

…due to risk of arrhythmias Severe aortic stenosis – due to risk of syncope, ischemia, and arrhythmias Endocarditis – due to risk of embolization Deep venous thrombosis …

…asystole, and bradycardia. No Flow : Circulatory standstill, circulatory flow arrest. No flow time : The duration (minutes) from circulatory collapse to initiation of CPR. During no…

…Syncope is particularly important as a marker of potentially severe disease. The presence of haemodynamic instability places the patient in the high risk category and…

…Acute haemopericardium may cause sudden hypotension, syncope, or circulatory collapse. Slowly accumulating effusions may produce a large pericardial collection with initially limited symptoms because the…

…the impulse from reaching the atria. Disturbed automaticity and blocked impulses lead to arrhythmias that characterize sinus node dysfunction. The conditions encircled by the term…

…discomfort. Syncope. Restlessness. Jugular venous distension. Pulsus paradoxus. The pericardium may temporarily seal the rupture, producing subacute tamponade and cardiogenic shock rather than immediate death…

…of neurally mediated syncope (NMS), a disorder of autonomic reflexes. It typically occurs after attaining an upright posture or following painful stimuli and emotional stress…

…presents with J point elevation (as does Brugada syndrome, see below) and may also lead to syncope, ventricular arrhythmias, and even sudden cardiac death. However…

…myocardial ischaemia or syncope — that has not responded to atropine: Complete heart block (third degree AV block) and second degree AV block Mobitz type 2…

…risk of ventricular arrhythmias. Clinical Presentation and Symptoms Patients with bradycardia or intermittent conduction disorders frequently present with presyncope or syncope. Diagnosing transient or paroxysmal…

Arrhythmias and arrhythmology ECG Sinus bradycardia: ECG, causes & management Definition of sinus bradycardia Sinus bradycardia fulfills the criteria for sinus rhythm but the heart rate…

…prolongation and drug induced TdP typically present with near syncope, syncope, or cardiac arrest. Before the onset of sustained VT, patients frequently experience PVCs and…

CPR Hyperthermia and malignant hyperthermia Hyperthermia is characterized by a body temperature exceeding the typical range of 36.5 37.6°C (97.7 99.7°F…

…with syncope Implantable loop recorder Contraindications None. Practical obstacles are skin disease or allergy to the electrode gel, and marked body hair that cannot be…

…duration of cardiac arrest, quality of CPR, and a prognostic indicator for survival. In the nationwide Swedish Cardiopulmonary Resuscitation Registry, 30 days survival in OHCA…

…syncope, falls, and functional deterioration may have greater consequences in frail patients. Clinical Assessment Frailty and Functional Status Treatment decisions should not be based on…

…at initiation or during routine therapy. Potential clinically important complications and treatment related syndromes include: Hypovolaemia Falls and syncope, particularly in older adults Euglycaemic diabetic…

…frequent in people with diabetes and becomes more common with advancing age. Presentations without pain may include: Sudden breathlessness Syncope or sudden loss of consciousness…

…generally greater than 15% and less than 85% Baseline ECG abnormalities make exercise ECG interpretation unreliable The patient cannot perform an adequate treadmill test but…

…The severity, duration, clustering, and reproducibility of symptoms. Associated syncope or palpitations, which may indicate bradyarrhythmia or ventricular tachyarrhythmia. Smoking exposure. Symptoms or diagnoses suggestive…

…observed without anticoagulation Red flags and pitfalls A normal saturation and a normal ECG do not exclude pulmonary embolism. Syncope may be the only symptom…

…fraction, syncope is considered a risk factor for death [15]. For patients with LBBB and a left ventricular ejection fraction (LVEF) $< 35%$, the…

…such as pre syncope or syncope. Definition of Paroxysmal Supraventricular Tachyarrhythmia (PSVT) The arrhythmias AVNRT, AVRT (Pre excitation, Wolff Parkinson White syndrome) and ectopic atrial…

…based on ECG, family history and clinical presentation. Patients present with syncope, early onset of atrial fibrillation, ventricular arrhythmias and sudden cardiac arrest. Given the…

…attack Syncope due to sinus arrest is referred to as Adam Stokes attack . Causes of sinoatrial arrest/pause High vagal tone is benign and the…

…presyncope or syncope if the arrhythmia is sustained. In its fulminant course, VT degenerates to ventricular fibrillation, which then degenerates into asystole and cardiac arrest…

…electrical disorder caused by mutations in cardiac ion channels) which predisposes the individual to syncope, ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation) and sudden cardiac death…

…syncope, chest pain, heart failure and cardiac arrest. In cases with intermittent symptoms, it is important to establish a temporal correlation between symptoms and episodes…

…of treatment effect in stable angina. Exercise induced arrhythmia or exercise induced syncope. Assessment of chronotropic function and pacemaker settings. Preoperative functional assessment before major…

…late sodium current augmentation, the sodium channel blocker mexiletine has demonstrated efficacy in shortening the QT interval and reducing arrhythmic events, contingent upon the specific…

…late sodium current augmentation, the sodium channel blocker mexiletine has demonstrated efficacy in shortening the QT interval and reducing arrhythmic events, contingent upon the specific…

…syncope, renal deterioration, functional decline, and cognitive impairment. Heart failure Heart failure represents a major intersection between cardiovascular disease and geriatric medicine. Its incidence and…

…after tachyarrhythmia; the combination of tachyarrhythmia and sinus node dysfunction is referred to as tachy brady syndrome . Neurocardiogenic syndrome (which includes vasovagal syncope), as well…

…Increased sputum volume and new sputum purulence. Fever, rigors and respiratory tract symptoms. Chest pain, haemoptysis, syncope and palpitations. Orthopnoea, weight gain and peripheral oedema…

…dizziness, and syncope may also occur [5]. Non Cardiac Causes Several non cardiac conditions can present with chest pain that requires careful differentiation from ischemic…

…functionally and morphologically normal on echocardiography and cardiac MRI during the first two decades of life. The most common initial presentation is palpitations or syncope…

…hypotension or a postural drop tachycardia a cold periphery and delayed capillary refill confusion, drowsiness or syncope oliguria a rising lactate or metabolic acidosis repeated…

…takes into account the following variables: Maximum Left Ventricular Wall Thickness (MaxLVWT) : Hypertrophy is a hallmark of HCM and is associated with increased arrhythmic risk…

…degree, second degree, and third degree AV blocks. Readers already familiar with the basics of AV blocks can proceed directly to the subsequent chapters, which…