…crush technique, stent fracture or collapse Lesion specific angiographic features Residual dissection at a stent margin, impaired flow into or out of the stent, stent…
60+ träffar
…crush technique, stent fracture or collapse Lesion specific angiographic features Residual dissection at a stent margin, impaired flow into or out of the stent, stent…
…myocardial injury , demonstrated by a rise and/or fall in cTn with at least one value above the 99th percentile URL; and Clinical evidence of…
…from transient arrhythmias and minor access site bleeding to myocardial infarction, stroke, coronary perforation, haemodynamic collapse, acute kidney injury, and death. The risk profile differs…
…Biomarkers and Laboratory Findings The source material does not provide information on biomarkers or laboratory findings specific to the evaluation of bradycardia. Treatment and Management…
ECG Myocardial ischemia and infarction Lathundar ECG Criteria for ST Elevation Myocardial Infarction (STEMI) The diagnosis of STEMI relies on specific electrocardiographic thresholds for ST…
…Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis…
…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…
…troponin T and troponin I have emerged as the preferred biomarkers because they are extremely sensitive and specific for myocardial injury. Elevated levels of cardiac…
…is suspicion of cervical spine injury, in which scenario head tilt chin lift should only be used if other methods fail to open the airway…
…of 25 mm/s, which is standard in the US and many other countries, a 2:1 block will be difficult to discern because the…
…within 120 minutes Fibrinolysis within 10 minutes of the diagnosis, if symptom duration is under 12 hours and there is no contraindication After successful fibrinolysis…
…1 mL Plantar fascia 10–20 mg 20–40 mg 1–2 mL The doses follow the summaries of product characteristics: Lederspan specifies 10–20…
…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…
…Despite the effectiveness of preventive interventions in both sexes, women are less likely to receive statins, aspirin or referral to cardiac rehabilitation and are less…
…blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ damage Existing cardiac, cerebrovascular, or renal disease The possibility of a…
…bradykinin and other tachykinins, such as substance P. When ACE is inhibited, the resulting accumulation of these peptides irritates afferent neural pathways in the respiratory…
…a 50% risk of transmitting the relevant variant to each child. However, other inheritance patterns, de novo variants, incomplete penetrance and variable phenotypic expression complicate…
…normal FFR and CFR are associated with an excellent prognosis, whereas discordant measurements require interpretation in the context of the clinical presentation and other findings…
…obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked…
…working, and the commonest source of error is believing that it is. Twitching of the chest muscles and spikes on the screen mean nothing. Capture…
…disease (ASCVD). Atherosclerosis develops through the progressive deposition and retention of LDL C and other apoB containing lipoproteins within the arterial wall. This initiates inflammatory…
…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…
…The cardiovascular burden of CKD extends beyond CAD to peripheral arterial disease, cerebrovascular disease, valvular heart disease, heart failure, atrial fibrillation, and other arrhythmias or…
…Diagnostics Electrocardiography and Electrophysiology Electrocardiographic evaluation of patients receiving digoxin reveals specific electrophysiologic profiles. Digoxin's autonomic actions largely slow the sinus node discharge rate…
…lives therefore differ substantially: approximately 20 minutes for BNP and 90 minutes for NT proBNP. Consequently, plasma concentrations of the two peptides are not interchangeable…
…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…
…have specific contraindications: Adenosine, Dipyridamole, Regadenoson : Should be avoided in patients with active bronchospasm, severe hypotension, or high degree AV block. Caffeine and other methylxanthines…
…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…
…It increases the quality of the examination, and allows for standardized comparisons of serial examinations. If pathology is discovered during the standard examination, other examinations…
…benign and the most common cause of sinus arrest/pause. It commonly affects younger individuals who endure intense emotional stress, acute pain or other stimuli…
…<1 mm and it resolves rapidly once the exercise is stopped. Some experts believe that these ST segment depressions represent a benign form of subendocardial…
…the other valves. The area is calculated by measuring the diameter of the valve ( area = π × radius 2 , where radius = diameter/2 ), and…
…of the bleeding 7 Manage antiplatelet drugs according to their indication. Do not routinely stop aspirin given as secondary prevention 8 Contact the endoscopist and…
…measurements permit assessment of the physiological significance of selected stenoses using fractional flow reserve (FFR) and instantaneous wave free ratio (iFR). Other invasive techniques can…
…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…
…or detection of prescribed drugs in blood or urine. The terms “controlled resistant hypertension,” referring to blood pressure controlled with four or more medications, and …
…echocardiography and surgical pathology demonstrate that over 90% of thrombi in non valvular AF originate within this specific anatomical cul de sac [19] . Concurrently, the…
…tone) and decreases during expiration (due to increased vagal tone). This results in a slightly irregular rhythm. Sinus arrhythmia occurs in the majority of healthy…
Arrhythmias and arrhythmology ECG Mechanisms of cardiac arrhythmias: from automaticity to re entry This section introduces the most common arrhythmias encountered in clinical practice, beginning…
…tests and other radiological examinations are most often required, in particular computed tomography (DT) and/or magnetic resonance imaging (MRI). Anatomy of the pericardium The…
…the patient to recite the months of the year backwards. A normal result does not exclude delirium, however, and an abnormal result is not specific…
…death, and among those who did, only a minority had a reduced value — the majority of sudden cardiac deaths occur in patients with preserved LVEF…
…within the sinus and atrioventricular (AV) nodes. In addition to these direct effects, adenosine antagonizes catecholamine stimulated adenylate cyclase. This inhibition decreases the accumulation of…
…suggest specific, nonidiopathic etiologies [2]. Summary of Pain Characteristics The following table synthesizes the key differential diagnoses and their characteristic pain patterns based on the…
…and age of onset of premature CAD or other vascular disease. A history of myocardial infarction or raised cholesterol among relatives. The presence of tendon…
…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…
…highlighting specific segments of the left ventricle that demonstrate abnormalities. These tools compare perfusion data to population based reference databases, often adjusted for sex and…
…risk of serious arrhythmias. This is possible because there is a correlation between the severity of electrolyte imbalance and the visible ECG changes. Specific electrolyte…
…resolved. Capillary measurement of beta hydroxybutyrate has high diagnostic accuracy [2]. A venous blood gas is generally sufficient for the assessment of pH and bicarbonate…
…Definition and pathophysiology Atrial fibrillation (AF) is a major independent risk factor for thromboembolism, including ischaemic stroke. This risk applies across the clinical patterns of…
…mild. 6. Assess the indication for antibiotics on the basis of sputum purulence, the other cardinal symptoms and the severity of the illness. 7. Start…
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…
…density lipoprotein and chylomicron remnants. It is calculated as: Non HDL C = total cholesterol − HDL C Apolipoprotein B (apoB) reflects the concentration of circulating…
ECG Myocardial ischemia and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes…
…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…
…reduce the efficacy of diuretics and antihypertensives. Risk of acute kidney injury increases when combined with ACE inhibitors. Corticosteroids and other NSAIDs: Increased risk of…
…atherothrombotic events in chronic coronary disease; preserve the benefit of coronary intervention while limiting major and clinically relevant bleeding. Long term antiplatelet therapy after STEMI…
…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…
…and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke. The…
…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…