…days, or shorter neutropenia with clinical risk factors International guidelines generally use a single temperature of 38.3 degrees as the threshold [4,5]. Some…

…serves as a valuable diagnostic tool and educational model, promoting earlier identification and treatment of high risk ACS patients. Future randomized trials are needed to…

…cardiac examination, ECG, selective vascular imaging Traumatic or toxic syndrome Onset after trauma, a change in medication or an exposure Concussion, temporal bone injury, dissection…

…Exercise induced arrhythmia or exercise induced syncope. Assessment of chronotropic function and pacemaker settings. Preoperative functional assessment before major surgery. At a low pre test…

…recognition of edge dissection, tissue prolapse, thrombus, or other acute complications; investigation of restenosis and stent thrombosis. Intravascular imaging may also clarify the mechanism of…

…chronic coronary syndrome and a moderate or high pre test likelihood of obstructive coronary artery disease, defined in the cited guidance as greater than 15…

…travels through tissue that behaves as a lens which causes significant refraction, directing the ultrasound to an area interrogated simultaneously by other sound waves (Figure…

…What is myocardial redistribution? In myocardial perfusion imaging, redistribution refers to the movement of a radiotracer within the myocardium over time. Radiotracers without redistribution maintain…

Cardiology Principles of myocardial perfusion imaging Myocardial perfusion imaging (MPI) is a non invasive technique for detecting and quantifying coronary artery disease (CAD). It offers…

…with regards to measuring ventricular dimensions, trabeculae and papillary muscles are considered part of the left ventricular cavity. Other dimensions– including atrial dimensions, mitral annulus…

…the basal parts, it appears as if basal regions are pulled down towards the apex. The longitudinal muscle fibers generate the longitudinal contraction (or longitudinal…

…dysfunctional myocardium or myocardium supplied by a diseased vessel, is viable and could benefit from revascularization. Evaluating the success of revascularization : Myocardial perfusion imaging can…

…apical segments, constituting 30% of myocardial mass. The 17 segment model provides the best agreement with anatomic data, as compared with other segmentation models. Figure…

…disease, or a history of significant reactive airway disease. Contraindications also include second degree or third degree AV block, sinus node dysfunction without a pacemaker…

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

…Only clinical signs of herniation halt the puncture, and antibiotics and a corticosteroid are then given immediately after blood cultures. For questions other than acute…

…Echocardiography : official publication of the American Society of Echocardiography 16 (7), pp. 777–802. DOI: 10.1016/S0894 7317(03)00335 3. Zoghbi, William A.…

…effect of a coronary lesion depends on more than its visual diameter reduction. Relevant determinants include: Lesion eccentricity Vessel tortuosity Calcification Plaque rupture or asymmetric…

…demonstrated by a rise and/or fall in cTn with at least one value above the 99th percentile URL; and Clinical evidence of acute myocardial…

…of reduced perfusion, which manifest as less intense or absent uptake, are identified and categorized. A critical aspect of this evaluation is the determination of…

…A 12 lead ECG is not required; limb lead II is sufficient and it provides adequate opportunities for rhythm diagnostics, as well as detection of…

…perfusion imaging techniques, such as SPECT and PET, can detect perfusion abnormalities early in this sequence, before mechanical dysfunction ( i.e. left ventricular systolic or…

…5. With severe symptoms: give hypertonic saline immediately. Do not wait for a complete work up of the cause or for imaging. 6. Document the…

[calc_aorta] Sinus of Valsalva (SOV) and Aortic Root Assessment The sinus of Valsalva diameter (SOVd) is a critical measurement in evaluating aortic root morphology…

…as ECG, imaging, or electrophysiology in relation to ACE inhibitor therapy. Biomarkers and Laboratory Findings Monitoring renal function and potassium is a critical component of…

…haematoma and without a visible intimal flap or false lumen. It is commonly attributed to rupture of the vasa vasorum, although improved imaging demonstrates small…

…vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High risk PE …

…imaging technique. Coronary fistulae represent abnormal communications between a coronary artery and a cardiac chamber or vessel. Other congenital anomalies include anomalous origin of a…

…a high CAC score indicates substantial atherosclerotic burden but does not, by itself, establish the presence or haemodynamic significance of a specific stenosis. Clinical Role…

…CCTA is recommended as an initial test for diagnosing CAD in stable patients with: Low clinical likelihood or no previous diagnosis of CAD Characteristics suggesting…

…or moderate pre test likelihood of obstructive CAD, CCTA or functional imaging should generally be preferred when available. Exercise ECG is not recommended as a…

…nature makes prior imaging particularly important when interpreting a current LVEF of 41–49%. Diagnostic phenotype Criterion HFmrEF Symptoms and/or signs of heart failure…

…as ripping, tearing, sharp or stabbing. Its location and radiation may reflect the segment of aorta involved, although the source material does not provide a…

…diminish or disappear. Others have no recognized history of angina or MI, making the distinction from primary dilated cardiomyopathy particularly difficult. When present, the clinical…

…provide a detailed catalogue of specific embolic syndromes. Clinical suspicion should be heightened after: Anterior STEMI. A large or transmural infarction. Persistent apical akinesis or…

…by a rise and/or fall in cardiac troponin with at least one value above the 99th percentile upper reference limit; and Clinical evidence of…

…have imaging characteristics associated with rupture, fewer than 5% of such lesions caused a clinical event during 3.4 years of follow up in a…

…conditions leading to a delayed equalization of the pressure gradient. Conversely, the deceleration time is shortened if left ventricular compliance is reduced, or if left…

…atria or abnormally large ventricles. These conditions are referred to as atrial enlargement and ventricular enlargement . From a hemodynamic standpoint, there are two types of…

…imaging has suggested that pathological Q waves may also arise due to extensive subendocardial infarction (NSTEMI). If pathological Q waves occur as a result of…

…to Evaluation of coronary artery disease and angina pectoris). Yet, exercise stress testing provides a fundamental parameter that cannot be obtained by other imaging methods…

…clinical examination, blood tests and other radiological examinations are most often required, in particular computed tomography (DT) and/or magnetic resonance imaging (MRI). Anatomy of…

…regards to echocardiography and ultrasound imaging in general, v is the maximum velocity measured using Doppler. Moreover, the first part of the formula (0.5…

…that ensures that no other sound waves affect the transducer. The crystals are supported by a backing layer that suppresses the vibrations of the crystals…

…asymptomatic, NSVT serves as a critical marker of arrhythmogenic risk, particularly in the setting of ischemic heart disease or reduced left ventricular ejection fraction (LVEF)…

…simpler to administer, since the whole dose is given as a bolus [1,2]. In a meta analysis of three phase 3 trials, tenecteplase was…

…a non invasive, accessible method to calculate this ratio, guiding clinical decisions about intervention or monitoring. Below, we outline the methodology and clinical applications of…

…of NSVT may warrant closer surveillance or a reassessment of treatment strategies. References O’Mahony C, Jichi F, Pavlou M, et al. A novel clinical…

…journal cardiovascular Imaging 16 (3), pp. 233–270. DOI: 10.1093/ehjci/jev014. 2. Lang, Roberto M.; Bierig, Michelle; Devereux, Richard B.; Flachskampf, Frank A.…

…A notch is evident in the ascending part of the ST segment. A male patient (Figure 1) presented at age 36 years with an ECG…

…and are identified either during routine abdominal examination or incidentally on imaging performed for another indication. When palpable, an AAA may present as a pulsatile…

…within an hour of arterial occlusion. The classic clinical constellation is remembered as the “six Ps”: Pain Paresthesia Pallor Pulselessness Poikilothermia, or coldness Paralysis Pain…

…with symptoms suggestive of TIA or stroke require neurological consultation and, when appropriate, neurovascular and brain imaging. Evaluation and Physical Examination Clinical history and examination…

…be classified as cardiac , possibly cardiac , or non cardiac . The term “atypical” is discouraged because it may understate the possibility of ischaemia. A focused history…

…CKD stage eGFR Clinical context Cardiovascular or renal significance 1 60 mL/min/1.73 m² Abnormal urinalysis or renal imaging Risk of progression rises…

…such as myocarditis) or non cardiac conditions (such as renal failure). To establish a diagnosis of MI, acute myocardial injury must be coupled with clinical…

…in the context of the clinical presentation and other findings. A reduced CFR may occur with angiographically insignificant epicardial disease because of abnormalities in the…

…the stented segment or at its margins. Angiographic restenosis has traditionally been described as a follow up diameter stenosis exceeding 50%, whereas clinical restenosis refers…

…with a very high clinical likelihood of obstructive CAD, defined in the source material as greater than 85%, particularly when one or more of the…

…least one of the following: New ischemic ECG changes New pathological Q waves Imaging evidence of new loss of viable myocardium or a new regional…