…treatment of ST segment elevation myocardial infarction (STEMI) and following complex PCI. Stent thrombosis remains multifactorial, reflecting interactions between patient related, lesion related, device related…
60+ träffar
…treatment of ST segment elevation myocardial infarction (STEMI) and following complex PCI. Stent thrombosis remains multifactorial, reflecting interactions between patient related, lesion related, device related…
…or device detected subclinical AF. The AF pattern, while recognising that pattern does not determine the anticoagulation indication. Previous stroke or TIA. The presence of…
…adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors. In contrast…
…Criteria for ST Elevation Myocardial Infarction (STEMI) The diagnosis of STEMI relies on specific electrocardiographic thresholds for ST segment elevation measured at the J point…
…hypertension is genuinely present Factors that may be contributing to elevated blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ…
…may produce cardiorenal syndrome. Worsening renal function in the presence of persistent congestion is particularly associated with elevated central venous pressure, which is transmitted to…
…and subject preparations. We will also discuss the relevance of withholding specific cardioactive medications during exercise testing (exercise ECG). Indications for exercise stress test Indications…
…referred to as high sensitive cardiac troponin, may actually detect the presence of troponins in most normal persons. In 2017 it was possible to detect…
…control in atrial fibrillation, particularly when other therapeutic options cannot be pursued. Patients receiving digoxin may present with symptoms of digitalis toxicity, which manifests across…
…provide a specific examination profile or diagnostic physical signs for LMCAD. Diagnostic Assessment Coronary angiography Invasive coronary angiography defines: The presence and severity of left…
…is mediated by the combined effects of hyperglycaemia, hypertension, dyslipidaemia, obesity, smoking and other conventional risk factors, together with diabetes specific vascular and metabolic abnormalities…
…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…
…The magnitude of untreated LDL C elevation. The presence and age of onset of premature CAD or other vascular disease. A history of myocardial infarction…
…acquire an understanding of the overarching concepts. Arrhythmogenesis (mechanisms of arrhythmias) is presented in this chapter, followed by in depth discussions of specific arrhythmias in…
…waves were present on previous recording, the amplitude must be increased in order to suggest ischemia. Inverted U waves are even more typical of ischemia…
…history suggesting an autoimmune disorder or known malignancy may suggest specific, nonidiopathic etiologies [2]. Summary of Pain Characteristics The following table synthesizes the key differential…
…examination, other examinations (which are not included in the standard examination), may be warranted. For most pathological conditions, there are specific guidelines (see links below)…
…alternative etiologies are excluded by diagnostic testing or failed therapeutic trials. If alternative causes of cough are suspected, specific diagnostic pathways may be pursued. Spirometry
…Adenosine is an endogenous nucleoside present throughout the body that interacts with G protein coupled A1 receptors located on the extracellular surface of cardiac cells…
…risk factor [2] . This change reflects robust evidence that female sex alone, in the absence of other comorbidities, does not significantly increase stroke risk. Conversely…
…present as haematemesis, coffee ground vomiting or melaena. Haematochezia can occur in massive upper bleeding with rapid intestinal transit. Coffee ground vomiting is less specific…
…digitalis excess. Biomarkers and Laboratory Findings The source material does not provide information on biomarkers or laboratory findings specific to the evaluation of bradycardia. Treatment…
…specific troponin elevation above the 99th percentile. The clinical presentation should not be interpreted in isolation. The initial diagnosis and triage depend on integration of…
…Myocardial injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated…
…and lesion haziness raise suspicion of thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features that may…
…features of Brugada syndrome are fairly specific to the disorder, provided that the clinical characteristics are in line with the disorder. There are however other…
…result, pupils often dilate widely within 30–120 seconds of cardiac arrest and light reactivity is lost when cerebral blood flow ceases. In other words…
…other electronic equipment may also interfere with device function. The clinical consequences depend on the device, the patient's dependence on pacing, the presence of…
…heart failure or after myocardial infarction). Ventricular arrhythmias are easier to induce in the presence of arrhythmogenic substrates. A substrate is defined as a physiological…
…is caused by partial occlusion of the artery (i.e. coronary blood flow is not completely obstructed). NSTE ACS typically presents with ST segment depressions…
…from out of hospital cardiac arrest should not routinely undergo immediate angiography. A selective or delayed approach is recommended in this setting unless other findings…
…factors. Plaque erosion Plaque erosion is increasingly recognized and is present in at least one third of acute coronary syndromes in the cited material. Eroded…
…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…
…cardiac tamponade. The classical signs of cardiac tamponade are hypotension, muffled heart sounds and jugular venous distention. Other frequent symptoms are pulsus paradoxus, pericardial friction…
…other guidance emphasizes that no single BP threshold is diagnostically sufficient: the presence of ongoing acute organ injury is decisive. The pathophysiology reflects failure of…
…on lesion location, severity, length, the presence of multilevel disease and collateral circulation. Flow limitation may be clinically silent, manifest as exertional symptoms, or progress…
…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…
…pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High risk…
…preserve an antithrombotic surface, and control the adhesion and migration of inflammatory cells. Dyslipidaemia, cigarette smoking, hypertension, diabetes mellitus and other adverse influences disturb these…
…from selected populations, frequently with low or intermediate ischemic risk and under representation of patients with STEMI or other very high risk features. Noninferiority studies…
…setting of acute or chronic heart failure are often better categorised as myocardial injury. Clinical Presentation and Symptoms Patients with Type 2 MI frequently present…
…this combination is associated with a worse prognosis. VA may occur in the presence of obstructive coronary artery disease (CAD), in non obstructive coronary arteries…
…a long time and be detected randomly when investigating other conditions. More dramatic onset of symptoms can be seen in arrhythmogenic tumors of the myocardium…
…Other microorganisms, generally, cause subacute endocarditis. Endocarditis can affect native (own) valves and valve prostheses. As always, foreign materials pose a high risk of infection…
…ACS, AF may be present before the acute event, detected for the first time during its management, or arise during the course of treatment. Even…
…or other evidence of ongoing ischaemia Symptoms suggesting haemodynamic compromise, such as near syncope or poor perfusion Known arrhythmia or electrical instability The presence of…
…Ultimately, the specificity of exercise stress testing is lower in the elderly, as compared to younger individuals. Sensitivity, on the other hand, appears to be…
…To address these challenges, researchers have developed ECG criteria designed to identify ischemia in the presence of left bundle branch block. The most widely recognized…
…and venous filling may be reduced. Other possible findings include muscle stiffening and loss of deep tendon reflexes. Pulses are absent distal to the obstruction…
…closer monitoring — the patient cannot feel pressure injury Peripheral neuropathy of other cause As above Severe pain Titrate the pressure up gradually Rheumatoid arthritis with…
…requiring dialysis is uncommon except in the presence of substantial pre existing CKD, particularly when congestive heart failure or other causes of ischaemic AKI coexist…
…favorable prognosis, as compared with other forms of ventricular tachycardia. Mechanisms of ventricular tachycardia Ventricular tachycardia (VT) may emerge due to increased/abnormal automaticity, re…
…a fractional excretion of urea below 35 % is a better alternative. Follow up At an eGFR below 60, or in the presence of albuminuria: check…
…treatment. The presence of ST segment changes or a positive troponin assay identifies patients in whom an invasive strategy is generally preferred over selective angiography…
…up to 85%. The examination may be used to: Establish the presence of ischaemia or scar. Quantify the extent of myocardial involvement. Estimate major adverse…
…further reducing myocardial workload. 1 The pharmacokinetic profile of levosimendan is modulated by the presence of an active metabolite, which exerts sustained hemodynamic effects for…
…with first degree AV block. A shortened PR interval (<0,12 s) indicates pre excitation (presence of an accessory pathway). This is associated with a…
…with symptoms having all of the traditional aggravating and relieving characteristics of angina; many patients report less characteristic symptoms, while others present primarily with exertional…
…the diagnosis of heart failure is clinically secure and the LVEF measurement is reliable. Nevertheless, these findings increase diagnostic confidence. The presence of symptoms alone…
…important to note that a traditional 12 lead ECG only presents a few seconds of myocardial electrical activity and there is a chance that ischemic…