…patients whose initial findings are less definitive. The defining electrocardiographic feature is the absence of persistent ST segment elevation. This does not imply low risk…

…acute HMOD, although other guidance emphasizes that no single BP threshold is diagnostically sufficient: the presence of ongoing acute organ injury is decisive. The pathophysiology…

…for whom no practical risk prediction tool currently exists. At the other end, roughly two thirds of ICDs implanted for reduced LVEF never deliver an…

…blood supply. Stress increases myocardial oxygen requirements, principally through increased heart rate and contractility. In the presence of a flow limiting coronary stenosis, supply cannot…

…stress echocardiography) has greater diagnostic accuracy. Contraindications Absolute: Acute coronary syndrome within 48 hours, or ongoing unstable angina. Uncontrolled symptomatic arrhythmia. Symptomatic severe aortic stenosis…

…activity is equal to five times the energy consumption at rest (sitting). METs may be used to describe the functional capacity during exercise stress testing…

…on the other hand, appears to be similar. Exercise stress testing and revascularization (PCI, CABG) Stress testing is commonly performed at various stages before and…

…detail. Symptom during exercise stress testing Perceived exertion The patient's perceived exertion is a way of estimating the intensity of the physical activity. It…

…1 month Preparations for exercise stress testing The laboratory and personnel Exercise stress testing may be conducted by physicians, nurses, biomedical analysts, or other professionals…

…Thus, the clinical utility of exercise stress testing is immense and the procedure may be used in numerous situations, ranging from health screening to assessment…

…metabolism Farmakologi & dosering Lathundar Two situations are often confused: replacement therapy in adrenal insufficiency (which must be increased under stress) and pharmacological anti inflammatory treatment…

…70%) of takotsubo cardiomyopathy occur in situations with extreme stress, such as car accidents, gun violence, threats, or any situation in which the individual's…

…limit for ventricular compliance. The greater the left ventricular compliance, the less steep the slope of the EDPVR curve, and vice versa . ESPVR (End Systolic…

ECG Exercise stress test Definition and clinical role Exercise electrocardiographic testing is a standardized assessment in which a patient performs progressively increasing external work, usually…

ECG Exercise stress test Physiological principles of exercise stress testing, myocardial ischemia and ischemic symptoms Understanding the basic principles of exercise physiology is essential to…

…stress tests are indicated in the following scenarios: Inability to exercise due to physical limitations. Contraindications to exercise, such as unstable angina, severe aortic stenosis…

…both conditions. Reverse redistribution : A less common pattern where defects appear worse at rest than during stress, potentially indicating microvascular dysfunction or other pathologies. The…

Endokrinologi & metabolism Lathundar An inpatient has a different insulin sensitivity from at home: less food, more stress, often corticosteroids, often impaired renal function. Prescribe basal…

…precipitated by exertion, emotional stress, or another form of physiological stress, but it may also occur at rest or remain clinically silent. The underlying coronary…

…plasma concentrations of the two peptides are not interchangeable. Natriuretic peptide concentrations reflect haemodynamic stress, but their release is not specific to left ventricular systolic…

…also reduce production of apoB 100 containing lipoproteins and exert effects beyond LDL C reduction, including modulation of inflammation, oxidative stress, endothelial function, plaque stability…

…pain, anxiety, intense emotion, the sight of blood, unpleasant sights and odors, and orthostatic stress. Situational triggers such as acute hemorrhage, cough, defecation, laugh, micturition…

…blood flow demonstrates marked differences between rest and stress conditions, particularly in significant coronary artery stenosis. Stress can be induced pharmacologically with coronary vasodilatory agents…

…and thrombosis interact to produce focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and may affect multiple…

…or heaviness [7]. Classically, it is initiated by exertion or stress and is relieved by rest or nitroglycerin [4], [6]. Presentation Nuances: While typical angina…

…mitral regurgitation, ventricular dilatation, myocardial wall stress and subendocardial ischemia. Neurohormonal activation and vascular and renal abnormalities contribute to sodium and water retention. The interaction…

…Absence of obstructive coronary artery disease, defined as no stenosis exceeding 50% diameter reduction and/or an FFR 0.80. Demonstration of reduced CFR and…

…inducible ischaemia. A persistent defect on stress and rest images may represent scar, although interpretation must account for attenuation and other technical factors. Relative perfusion…

…left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures…

…by stenosis or occlusion of the aorta or arteries supplying the limbs. In adults over 40 years of age, atherosclerosis is the predominant cause. Other…

…weight, smoking, diet, physical inactivity, and alcohol consumption. Additional considerations include psychosocial stress, obstructive sleep apnoea, social determinants of health, air pollution, family history, ethnicity…

…SGLT2 is a high capacity, low affinity transporter situated in the S1 and S2 segments of the renal proximal tubule. It accounts for approximately 90…

…when marked hormonal changes occur. Hypertension and oestrogen exposure. Emotional or chronic mental stress. Fibromuscular dysplasia (FMD), which may produce arterial wall abnormalities and intramural…

…Echocardiography (ASE) and the European Association of Cardiovascular Imaging (EACVI) stress that the following parameters are of particular importance for the evaluation of diastolic function…

…expected maximum heart rate (age adjusted). To determine this it is necessary to perform an exercise stress test, during which it is fundamentally important that…

…artery disease has been classified into the following three syndromes: Stable angina pectoris : Symptoms appear primarily during exercise or other situations with increased myocardial load…

…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…

…Exercise stress testing is contraindicated in patients with acute myocardial infarction, unstable angina, severe aortic stenosis, decompensated heart failure, and uncontrolled arrhythmias. Pharmacologic stress agents…

…This is also a normal finding. Abnormal (pathological) causes of sinus bradycardia In all other situations, sinus bradycardia should be regarded as a pathological finding…

…are as follows: Normal (physiologic) sinus tachycardia: The automaticity (rate of spontaneous depolarization) in the sinoatrial node is increased during physical activity, stress, and nervousness…

…fundamental pathophysiological substrate for acute coronary syndromes (ACS), including ST Elevation Myocardial Infarction (STEMI) [1] . Historically viewed as a simple plumbing problem characterized by the…

…artery disease has been classified into the following three syndromes: Stable angina pectoris : Symptoms appear primarily during exercise or other situations with increased myocardial load…

…is sufficient to provoke overt ischemic signs during stress testing (Bourque et al.). Thus, patients who undergo exercise stress testing must achieve at least 85%…

…Dobutamine Cardiogenic shock. Bradycardia (second line treatment). Stress testing (it increases myocardial oxygen consumption). Usual: 2.0–20 μg/kg/min. Maximum: 40 μ…

…Started within 48 h where possible Thromboprophylaxis Low molecular weight heparin unless contraindicated Head of the bed 30–45° Stress ulcer prophylaxis During mechanical ventilation…

…down or sitting for at least 15 minutes. 2. Insert a venous cannula. Wait a few minutes — the venepuncture itself can cause a stress related…

…Drug Indications Dose α1 effect β1 effect β2 effect D1/D2 effect Result Side Effects Dopamine low dose Rarely used Low dose : 0.5 3…

…than asymptomatic lesions. Predisposing conditions Aortic dissection and its variants are associated with conditions that cause medial degeneration or increase aortic wall stress. Relevant associations…

…between myocardial oxygen demand and blood supply, generally during exertion, emotional stress, or another stressor. Manifestations include angina, other chest discomfort, dyspnoea, or no symptoms…

…drinking in either sex. Other definitions of unhealthy drinking include at least two drinks daily in women or three in men, or at least four…

…heart failure, atrial fibrillation, and other arrhythmias or conduction abnormalities. CKD also worsens the prognosis of established CVD. Mechanisms linking CKD to cardiovascular disease The…

…been described in HFpEF, while nitrosative stress and abnormalities of cellular and molecular myocardial function may further impair contraction and relaxation. Structural and vascular consequences…

…an event. EPS can thoroughly assess AV conduction and may include the infusion of agents to stress the AV node and His Purkinje system, such…

…Triglyceride synthesis and hepatocellular lipid accumulation consequently increase, with variable inflammation and oxidative stress. Metabolic dysfunction associated fatty liver disease affects approximately 10% of non…

…STEMI cases, a precipitating factor such as vigorous physical exercise, emotional stress, or a medical or surgical illness is present before the event. Although STEMI…

…Myocardial ischemia and infarction Definition and Pathophysiology ST segment elevation myocardial infarction (STEMI) is an acute coronary syndrome characterized clinically by acute myocardial ischaemic symptoms…

…Circulation ). A notable exception to this rule is the exercise stress test, in which the J 60 or J 80 is always used (because exercise…

…hypertrophy of the left ventricle. Cardiac remodeling Ventricular dilatation and hypertrophy lead to myocardial remodeling and neurohormonal changes that further worsen the hemodynamic situation. Thus…

…Aortic stenosis is generally asymptomatic until the valve area is <1 cm². This condition causes hemodynamic changes that alter ventricular volume load, myocardial wall stress…

…table below shows a systematic history taking in patients presenting with chest pain (chest discomfort) or other symptoms suggestive of the five conditions listed above…