…Stroke Volume, Wall Stress & Frank Starling's law Myocardial Mechanics It is fundamental to distinguish hypertrophic cardiomyopathy from hypertrophy caused by increased loading conditions. The…

…cardiac death (SCD) in young individuals and during exercise. The risk of ventricular arrhythmias correlates with the degree of hypertrophy, the extent of ventricular fibrosis…

…Hypertrophic cardiomyopathy (HCM) — This type of cardiomyopathy is characterized by pronounced hypertrophy of the myocardium. It may also lead to obstruction of the LVOT (Hypertrophic…

…second and third panel). P pulmonale: right atrial enlargement (hypertrophy, dilatation) Enlargement of the right atrium is commonly a consequence of increased resistance to empty…

…hypertrophic 10–15 s 2 2 mm Verruca vulgaris 10–20 s 2 2 mm Verruca plantaris 20–30 s after paring 2 2 mm…

…with full preparedness Moderate to severe aortic stenosis without symptoms Individual assessment Hypertrophic cardiomyopathy with outflow tract obstruction Caution Tachyarrhythmia or bradyarrhythmia Rate control first…

…rather than by the AF pattern. Important predictors include previous stroke or transient ischaemic attack (TIA), mitral stenosis, hypertrophic cardiomyopathy, diabetes mellitus, hypertension, heart failure…

…Is the aortic root dilated? Is the left ventricle dilated? Is the left ventricle hypertrophic? Is left ventricular ejection fraction (LVEF) normal? A normal sized…

…arrest; the disease is one of the most common causes of sudden cardiac arrest among adolescents and athletes (hypertrophic cardiomyopathy is the most common cause)…

…of these have atherosclerotic heart disease (coronary artery disease) as the underlying cause. Other common causes are cardiomyopathy (hypertrophic or dilated), arrhythmogenic right ventricular cardiomyopathy…

…heart disease), heart failure , cardiomyopathy (dilated cardiomyopathy, hypertrophic obstructive cardiomyopathy), valvular disease . Less common causes are arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/ARVD), Brugada syndrome…

…in the area to be biopsied. Hypersensitivity to local anaesthetics. Areas at high risk of unsightly or hypertrophic scars: the sternum, the shoulder, the jawline…

…in cardiomyopathy families may reach 70–90% by age 70 years. In hypertrophic cardiomyopathy (HCM), expression may occur more rapidly during childhood and early adulthood…

…bradyarrhythmia Increased myocardial oxygen demand Sustained tachyarrhythmia, severe hypertension, hypertensive crisis, critical aortic stenosis, severe hypertrophic cardiomyopathy, extreme exercise Direct myocardial injury Myocarditis, cardiac co

…left ventricle): ≥45 milliseconds 1 Romhilt Este's score system ECG changes in left ventricular hypertrophy (LVH) Large R waves in left sided leads (V5…

…ejection fractions. The significance of ventricular size becomes obvious in the setting of hypertrophic cardiomyopathy (HCM, HOCM). Individuals with hypertrophic cardiomyopathy may display normal, or…

…with LAFB, however, have significant heart disease. Myocardial infarction, coronary artery disease, left ventricular hypertrophy, dilated cardiomyopathy, hypertrophic cardiomyopathy, degenerative disease, hypertension, hyperkalemia, myocarditis, and…

…symptoms Tachyarrhythmias with uncontrolled ventricular rates Acquired advanced or complete heart block Hypertrophic obstructive cardiomyopathy with severe resting gradient Recent stroke or transient ischemic attack…

…to severe aortic stenosis Insufficiently controlled arrhythmias which may cause hemodynamic compromise Obstructive hypertrophic cardiomyopathy Second degree AV block or third degree AV block (not…

…disease (coronary heart disease) Rheumatic valve disease Endocarditis Congenital mitral regurgitation Amyloidosis SLE Hypertrophic obstructive cardiomyopathy (HOCM) Rupture of papillary muscle Rupture of chordae tendineae…

…entry [6] . Non ischemic dilated cardiomyopathy (NICM), hypertrophic cardiomyopathy (HCM), and arrhythmogenic right ventricular cardiomyopathy (ARVC) also fall under this umbrella, each presenting unique fibrotic…

…right ventricular enlargement and atrial enlargement. Below follows a discussion on the principles and differences of dilatation and hypertrophy, as well as typical ECG changes…

…sided chest leads (V1, V2). Right ventricular hypertrophy causes large R waves in right sided chest leads and deeper S waves in left sided leads.

…to visualize clearly with trans thoracic echocardiography. Causes of right ventricular hypertrophy Lung disease (with increased pulmonary vascular resistance), congenital heart disease (transposition of the…

…5]. Unexplained LV hypertrophy (LVH) or heart failure with preserved ejection fraction (HFpEF) at hospitalization warrants evaluation [5]. Heightened awareness is essential in patients with…

…mass is, however, an important parameter in the assessment of ventricular hypertrophy and cardiomyopathy. Numerous formulas have been developed to approximate ventricular mass. Most formulas…

…deviation — left anterior fascicular block, inferior infarction, hypertrophy +90° to +180° Right axis deviation — right ventricular strain, lateral infarction, left posterior fascicular block −90° to…

…of hypertension. Hypertension becomes more prevalent in women than men after approximately 65 years of age. Hypertension related left ventricular hypertrophy, concentric remodelling, reduced longitudinal…

…or equal to 1 mm These criteria for the other leads apply in the absence of left ventricular hypertrophy or left bundle branch block [8…

…Evidence such as increased left atrial size, left ventricular hypertrophy or abnormal LV filling supports the diagnosis Unlike HFpEF, objective evidence of structural or functional…

…41–49%. In this group, structural abnormalities such as left atrial enlargement or left ventricular hypertrophy, or echocardiographic evidence of impaired filling, make the diagnosis…

…is therefore important, particularly in patients with early onset hypertension or premature cerebrovascular disease. PA is associated with cardiac hypertrophy, myocardial fibrosis, diastolic dysfunction and…

…right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy. Acute cor pulmonale (pulmonary embolism)…

…atrial fibrillation is age. Other significant risk factors are as follows: male sex, hypertension, left ventricular hypertrophy, left ventricular dysfunction, valve disease, coronary artery disease…

…amyloidosis, cardiomyopathy or hypertrophy. Prognosis of nonspecific intraventricular conduction delay Patients with nonspecific intraventricular conduction delays are at twice as great a risk of all…

…stenosis, the pressure in the right ventricle rises, which results in right ventricular hypertrophy. The valve is usually thickened and during systole leaflet doming appears…

…and atherosclerotic coronary disease In patients with heavy alcohol use, left ventricular dilation may precede the development of increased left ventricular hypertrophy and mass. Initially…

…the coronary resistance vessels. Left ventricular hypertrophy also reduces coronary flow reserve: myocardial mass increases without a proportional increase in the microcirculatory resistance network, reduci

…associated with hypertension and blood pressure variability, while obesity and hypertension together promote left ventricular hypertrophy and kidney injury. The syndrome is therefore both a…

…Structural CMD: resting vascular tone is increased, potentially reflecting capillary rarefaction, fibrosis, or left ventricular hypertrophy. Hypertension, diabetes, and elevated NT proBNP are more frequent…

…the left atrium encounters increased resistance (e.g due to mitral valve stenosis) it becomes enlarged (hypertrophy) which amplifies its contribution to the P wave…

…females). Differentiating posterolateral ischemia from right ventricular hypertrophy (RVH) It is occasionally difficult to differentiate right ventricular hypertrophy (RVH) from posterior acute ischemia. Both these…

…sinus bradycardia (<30 beats/min or sinus pauses ≥3s) C: Increased QRS voltage (isolated QRS voltage criteria for left ventricular hypertrophy or right ventricular hypert

…unavailable. It may identify significant valve disease, cardiomyopathy, hypertrophy, LV dysfunction, or other pathology that could affect the safety or interpretation of the examination. Evaluation…

…observed in adult patients with severe pulmonary stenosis, alongside right ventricular hypertrophy (RVH) and right atrial enlargement [8]. RAD is present in most cases of…

…right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy. Acute cor pulmonale (pulmonary embolism)…

…that increase myocardial oxygen demand include sustained tachyarrhythmia and severe hypertension, with or without left ventricular hypertrophy. In patients with stable known or presumed CAD…

…sustained bradyarrhythmia, tachyarrhythmia, or severe hypertension with or without left ventricular hypertrophy. Among patients with NSTE ACS undergoing angiography, approximately 10% have no critical epicardial…

…hypertrophy . This allows the left ventricle to generate greater pressure, thereby overcoming the resistance in the stenosis and maintaining adequate stroke volumes. Thus, ventricular hypertrophy…

…at the top. Refer to Figure 1 . Patients with left ventricular hypertrophy may instead display normalization of secondary T wave inversions (lead V5, V6, aVL…

…in an increase in left atrial pressure (LAP), which gradually leads to atrial hypertrophy and dilation. Atrial dilation causes a significantly increased risk of atrial…

…Left ventricular hypertrophy (LVH), right ventricular hypertrophy (RVH), left bundle branch block (LBBB), right bundle branch block (RBBB) and pre excitation Left ventricular hypertrophy (LVH…

…presence of a narrowing of the LVOT (left ventricular outflow tract). Such narrowings are due to septal hypertrophy or subaortic membrane (Figure 2). Figure 2…

…morphological changes (e.g. myocardial ischemia, ventricular hypertrophy), the ability to do so increases as the number of leads increases. The 12 lead ECG is…