…the only signs of infection. Corticosteroids and other immunosuppressive treatments can blunt the febrile response. A neutropenic patient with a suspected infection and organ dysfunction…

…high spatial and temporal resolution. PET offers higher spatiotemporal quality, as compared with SPECT. Quantification of blood flow using PET Quantitative PET perfusion imaging offers…

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

…trabeculae and papillary muscles are considered part of the left ventricular cavity. Other dimensions– including atrial dimensions, mitral annulus, aortic annulus, etc –are measured using…

…assessment of stent expansion and apposition; recognition of edge dissection, tissue prolapse, thrombus, or other acute complications; investigation of restenosis and stent thrombosis. Intravascular imaging…

…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…

…high amplitude. This is due to the high density of myocardium. It follows that myocardium generates reflections with high amplitude and low Doppler shift. To…

…follow cardiac surgery, coronary angiography or other invasive procedures, and affected patients may be relatively painless compared with those with spontaneous dissection. Clinical manifestations may…

…imaging, angiography, and, occasionally, pathological examination. Pathologically, infarction represents myocardial cell death caused by prolonged ischaemia. The first cellular abnormalities of ischaemia include depletion of…

…when combined with metabolic imaging. Contribute to assessment of cardiac inflammation, infective endocarditis, and cardiac amyloidosis using appropriate radiopharmaceuticals. Functional perfusion imaging primarily identifies haemodynamically…

…Lead Definition of pathological Q wave Normal variants V2–V3 ≥0,02 s or QS complex None All other leads ≥0,03 s and ≥1…

…assess myocardial ischemia and infarction. The key steps in this process are outlined below. Image acquisition and evaluation Stress Imaging : Initially performed using exercise or…

…ultrasound imaging: The ultrasound image displays non existing structures. The ultrasound image does not display existing structures. The ultrasound image misrepresents the echogenicity of structures…

…is of utmost importance when assessing myocardial structure, perfusion and wall motion. Cardiac planes All imaging modalities define, orient and display the heart using the…

…making arrhythmology a field of intense research activity. This is partly due to the rise of cardiac imaging and invasive electrophysiological methods which allow for…

…and spotty calcification. However, the concept has important limitations. Although thin capped fibroatheromas may have imaging characteristics associated with rupture, fewer than 5% of such…

…more portable, more powerful, equipped with an increasing number of methods to interrogate organ structure and function. Ultrasound imaging, including echocardiography, has become a standard…

[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…

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

…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…

…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…

…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…

…using two complementary domains: Indicators of acute PE severity , including clinical findings, RV dysfunction on imaging, and myocardial injury shown by laboratory testing. Comorbidity and…

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

…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…

…at clarifying the genesis of the mass. Transesophageal echocardiography (TEE), magnetic resonance imaging (MRI of the heart) and computed tomography (DT of the heart) are…

…principle of ultrasound imaging and echocardiography. Piezoelectric crystals The ultrasound waves are generated by ceramic crystals exhibiting piezoelectric properties (i.e piezoelectric crystals ). Thousands of…

…up of the cause or for imaging. 6. Document the starting time, the baseline plasma sodium, the target for the first few hours, and the…

…Capillary refill is delayed, and venous filling may be reduced. Other possible findings include muscle stiffening and loss of deep tendon reflexes. Pulses are absent…

…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…

…time window: perform advanced imaging according to the local protocol. 11. Document weight, agent, dose, time of the bolus and the blood pressure before administration…

…infarction, intoxication, Wernicke's encephalopathy, other central disease Neurological examination, gait and truncal stability, often MRI Episodic triggered vestibular syndrome Brief attacks, usually lasting seconds…

…CFR) is the ratio of maximum hyperaemic coronary flow to resting coronary flow. It can be assessed invasively or with myocardial perfusion imaging using PET…

…resolution does not consistently permit identification of foamy macrophages. The occurrence of neoatherosclerosis helps explain why ISR and other stent related events may arise well…

…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…

…descriptors of pathological extent. Magnetic resonance imaging findings indicate that Q wave development relates more closely to infarct volume than to transmurality. Clinical Presentation and…

…precision in the calculation of ejection fraction, and 3D measurements will presumably replace 2D measurements in the future. Cardiac MRI (magnetic resonance imaging) is considered…

…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…

…dominant manifestation of CAD. As LV dysfunction and HF become more prominent, angina may diminish or disappear. Others have no recognized history of angina or…

…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…

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…

…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…

…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…

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…

…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…

…to moderate heart failure, kidney or liver disease, especially when combined with diuretics (risk of fluid retention and impaired kidney function). Patients with bronchial asthma…

…the absence of contraindications, using a loading dose followed by maintenance treatment. The source material does not specify the loading dose. Efficacy and harms In…

…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…

…Popular blogs and media reach out to billions of individuals worldwide. They exert enormous influence over their visitors daily lives. However, media outlets and bloggers…

…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…

…and drug related presentations Severe hypertension may result from phaeochromocytoma, monoamine oxidase inhibitor crisis, cocaine intoxication, or other sympathomimetic exposure, including methamphetamine. Abrupt withdrawal of…

…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…

…attempts and their duration. Triggers for smoking and anticipated barriers to cessation. Exposure to second hand smoke. Use of cannabis, electronic cigarettes or other inhaled…

…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…

…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…

…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…