…NSAIDs). Other contraindications: Hemophilia. Thrombocytopenia. Active gastric or duodenal ulcers. Liver cirrhosis. Severe heart failure. Doses 100 mg/day during the third trimester of pregnancy…

…accounting for approximately 80% of cases. Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral…

…of stroke and the possibility of thrombolytic treatment. Cardiac and pulmonary complications Acute hypertension may precipitate myocardial ischemia or infarction, acute heart failure, or pulmonary…

…low risk of recurrence. Atrial fibrillation in other circumstances (particularly those listed above) is usually a progressive disease. Complications of atrial fibrillation and available treatments…

…heartbeat Dyspnoea and worsening pulmonary congestion Reduced exercise capacity Symptoms or signs of heart failure Haemodynamic instability Myocardial ischaemic symptoms or electrocardiographic changes Thromboembolic complications…

…contraindications, and subject preparations. We will also discuss the relevance of withholding specific cardioactive medications during exercise testing (exercise ECG). Indications for exercise stress test…

…and death. The clinical consequences are particularly important when pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The classification of…

…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…

…X linked or other non autosomal dominant mechanisms. Complex or multifactorial genetic architecture. The inheritance pattern affects the appropriate scope and duration of family surveillance…

Info Table 1 provides a summary of the indications, contraindications, dosage, administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary…

…and thus the selection between them may be guided by individual patient needs rather than by a distinct advantage of one drug over the other…

…injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated troponin…

…the result of a perfect storm scenario , where ischemia, hemodynamics, the autonomous nervous system, electrolyte concentrations, and other factors (potentially also genetic predisposition) interact to…

…the bleeding risk of the procedure and by renal function. In markedly reduced renal function (dabigatran at eGFR <30 mL/min, the other DOACs at…

…of the following: A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and ECG changes. Acute pulmonary…

…creatinine, acid–base status and signs of myocardial ischaemia must be monitored during treatment [4,6]. Important exceptions Condition Overall strategy Common first choices : : : Acute…

…outcomes. The vast majority of infections with COVID 19 result in mild disease, with symptoms similar to seasonal flu (influenza) and other viral respiratory infections…

…from the pulmonary artery and anomalous origin of one coronary artery from the opposite aortic sinus. Pathophysiology Myocardial bridging During systole, contraction of the overlying…

…Pericardial disease, including constriction Right ventricular dysfunction caused by pulmonary embolism Infiltrative cardiomyopathies, particularly cardiac amyloidosis Sepsis and other hyperdynamic states In cardiac amyloidosis, BNP…

…represent coronary atherothrombotic events in the setting of a stent thrombosis or restenosis. Type 1 myocardial infarction Definition and pathophysiology Type 1 MI results from…

…has profound implications for management and treatment of patients with acute coronary syndromes. Moreover, clinicians must clarify whether the ECG was recorded during chest pain…

…sickness Aspiration Chronic obstructive pulmonary disease (COPD) Bronchospasm (asthma) Other : Coma Central hypoventilation syndromes Neuromuscular diseases Anemia The natural course of asphyxia Should ventilation be…

…Heart failure, pulmonary oedema and other conditions with a high risk of fluid overload — a relative contraindication requiring invasive monitoring and slower administration. Significant metabolic…

…LV dysfunction, or other pathology that could affect the safety or interpretation of the examination. Evaluation and Physical Examination Before stress echocardiography, clinical assessment should…

…depolarization during ventricular contraction. The direction of the depolarization (and thus the electrical axis) is generally alongside the hearts longitudinal axis (to the left and…

…and asystole. Bradyarrhythmias are discussed in the chapter Management of Bradycardia (Bradyarrhythmia). Initial rhythm and the course of arrhythmias during cardiac arrest The initial rhythm…

…some patients present with severe LMCA stenosis exacerbated by other conditions, and these must also be recognized. Prompt identification of LMCA involvement is therefore critical…

…without identifiable cardiac disease. Contributing factors include pulmonary disorders, particularly obstructive pulmonary disease, the use of theophylline, and elevated catecholamine states. EAT typically has an…

…severe hypotension, or high degree AV block. Caffeine and other methylxanthines, which antagonize adenosine receptors, should be avoided for at least 12 hours before testing…

…of diseases and medications may cause sinus tachycardia; e.g congestive heart failure, lung disease (e.g COPD), fever, infections, anemia, myocardial ischemia/infarction, pulmonary…

…the main cause of left ventricular dysfunction among patients with atrial fibrillation and other supraventricular tachyarrhythmias. Moreover, ventricular tachyarrhythmias (including recurrent episodes of ventricular tachycardia…

…fibrosis. Here a lower target range and controlled delivery apply — not the withholding of oxygen. Previous bleomycin treatment — hyperoxia increases the risk of pulmonary toxicity…

…symptom and may occur even in the absence of pulmonary congestion. Patients may obtain relief by sitting forward. Other symptoms depend on the extent of…

…pulmonary infarction, and a history of pain exacerbation with inspiration, along with a pleural friction rub, helps differentiate it from angina pectoris [5]. 5. Pulmonary…

…proportion of painless or silent STEMIs is greater in patients with diabetes mellitus and increases with age. STEMI may present as sudden onset breathlessness. Other…

…during ventricular contraction. The direction of the depolarization (and thus the electrical axis) is generally alongside the heart's longitudinal axis (to the left and…

…increased intrapericardial pressure, which in turn affects ventricular relaxation (and thus ventricular filling). This may even lead to compression of the ventricles during diastole; cardiac…

…or pulmonary valve. These volumes can be calculated using the same principle as for the aorta ( i.e the product of the area and VTI…

…presence of symptoms alone is insufficient. Anaemia and pulmonary, renal, thyroid or hepatic disease may produce a similar symptom complex; in the absence of cardiac…

…This is because the strong and oppositely directed forces tend to cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy…

…typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and…

…reflects the concentration of circulating atherogenic particles because each apoB containing particle carries one apoB molecule. LDL C, non HDL C and apoB are usually…

…amounts of ATP and glycogen supplies are limited. In order to reduce oxygen demands, cardiac myocytes stop contracting under anaerobic conditions (i.e during ischemia…

…pads if the patient is unstable or at marked risk of arrhythmia. 4. Take a full blood count, electrolytes, creatinine, glucose, high sensitivity troponin and…

…history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds…

…and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet activation and…

…low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non HDL C provides a broader estimate of atherogenic cholesterol than LDL C alone…

…one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary…

…peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack…

…FH). Heterozygous FH results in high LDL cholesterol levels (but nothing else) and increases the risk of acute myocardial infarction by more than 50 times…

…In the setting of acute coronary syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography…

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

…over 40 years of age, atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma…

…infarction and limb threatening complications. Among patients with established peripheral artery disease, those who stop smoking have approximately twice the five year survival of those…

…beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2…

…myocardial ischemia. Other symptoms include dyspnea, pain radiating to the left arm/shoulder/throat, palpitations, back pain and selected cases of upper abdominal pain. An…

…shows a fast and distinct flow (almost 5 m/s) directed away from the transducer during systole (systole starts at the peak of the R…

…annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect these gamma rays to construct images with high spatial and temporal…

…opposite angle of observation. Other vectors may interfere with the injury currents, and inhibit them from being detected by leads with opposite angles of observation…

…electrically dissociated from each other. This condition is referred to as atrioventricular (AV) dissociation. Importantly, for the ventricles to have any electrical (and thus pumping)…