…thrombus can fragment, embolize to other coronary branches or vascular beds, propagate through gaps between stent struts, and compromise the treated lumen. Conventional angiography has…
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…thrombus can fragment, embolize to other coronary branches or vascular beds, propagate through gaps between stent struts, and compromise the treated lumen. Conventional angiography has…
…rupture and compromise of branch vessels. Type A disease may cause cardiac tamponade, severe acute aortic regurgitation, coronary malperfusion, myocardial ischaemia, heart failure, shock and…
Cardiology Clinical medicine Definition and pathophysiology Peripheral artery disease (PAD) is a clinical disorder caused by stenosis or occlusion of the aorta or arteries supplying…
…segment depression is a common and early electrocardiographic sign of acute pericarditis, reflecting pericardial involvement overlying the atria [4, 5]. Other Differential Diagnoses ST segment…
…inflammation and other systemic influences. The severity of myocardial injury is determined not only by the epicardial obstruction but also by the vulnerability of the…
…Definition and staging according to KDIGO Acute kidney injury is present when at least one of the following criteria is met [1]: A rise in…
…coronary occlusion and progress over time. Experimentally, necrosis advances from the subendocardium towards the subepicardium over several hours. The extent and tempo of injury are…
…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…
…ostia. It remains the reference standard for defining the extent of coronary artery disease because it provides anatomical information while permitting functional assessment and, when…
…many cases, the renal injury probably represents acute tubular necrosis arising from the combined effects of contrast exposure and other ischaemic or nephrotoxic stresses. The…
…the victim's outcome: Neurological injury Myocardial dysfunction Systemic response to reperfusion and ischemia Effects of the underlying cause of cardiac arrest Neurological injuries may…
…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…
…control centre for advice on the treatment threshold and on whether haemodialysis should be considered. Rhabdomyolysis with marked elevation of CK and threatened kidney injury…
…zone. Coronary Occlusion and Myocardial Injury STEMI generally results from abrupt reduction in coronary blood flow caused by thrombotic occlusion of a previously atherosclerotic artery…
…Respiratory rate and oxygenation Evidence of systemic congestion or acute RV failure Syncope or altered clinical status Comorbid cardiopulmonary disease, active cancer, and other conditions…
…true bradyarrhythmic or asystolic arrest from other tachyarrhythmic events. On the surface electrocardiogram, sinus bradycardia may appear at rates of 40 to 48 beats per…
…or other vascular beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the…
…ischaemic myocardial injury may coexist, and certain disease entities can span both categories; for example, acute heart failure may occur in the context of acute…
…acute aortic dissection, thrombosis of a graft or aneurysm, popliteal artery entrapment, trauma, phlegmasia cerulea dolens, ergotism, hypercoagulable states or iatrogenic vascular injury. Acute occlusion…
…ACS), biochemical evidence of myocardial injury with corroborating evidence of infarction caused by ischaemia, and no obstructive stenosis in a major epicardial coronary artery. Non…
…also contributes to the extension and severity of ischemic injury. In its most severe form, known as no reflow, structural and functional impairments sustain vascular…
…and coeliac serology , together with ultrasound of the liver and biliary tract . Go through the medication and any herbal preparations carefully — drug induced liver injury…
…the efficacy of diuretics and antihypertensives. Risk of acute kidney injury increases when combined with ACE inhibitors. Corticosteroids and other NSAIDs: Increased risk of gastrointestinal…
…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…
…of dissection and impaired distal flow. These alternative causes must be distinguished from isolated no reflow because their treatment may require immediate stenting or other…
…evidence of acute cardiomyocyte injury or necrosis. It is distinguished from acute myocardial infarction (AMI), in which myocardial ischaemia is accompanied by cardiomyocyte necrosis and…
ECG Myocardial ischemia and infarction Acute Myocardial Infarction: Definition & Criteria Acute myocardial infarction is the most severe complication of coronary artery disease. The most common…
…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…
…Subclinical cerebral injury may contribute to vascular dementia, and thromboembolism may affect organs other than the brain. Patients with AF in the setting of ACS…
…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…
…Other congenital anomalies include anomalous origin of a coronary artery from the pulmonary artery and anomalous origin of one coronary artery from the opposite aortic…
…transmural ischemia. On the other hand, leads V1–V3 (occasionally V4) may detect the injury currents and present them as ST segment depressions. These depressions…
…macrophages, neurons and other tissues. This distribution helps explain why PA produces cardiovascular injury beyond its effects on blood pressure and potassium balance. The principal…
…Smooth muscle cells (SMCs) migrate from the tunica media into the intima, driven by platelet derived growth factor (PDGF) and other cytokines. Within the intima…
…concentration washes nitrogen out of the pleural air and speeds resorption. Other conditions in which high flow oxygen is given irrespective of the saturation according…
…or to confirm a creatinine based value The mean of creatinine and cystatin C The most reliable in routine clinical practice Cockcroft–Gault Still used…
…and myocardial effects, whereas sustained heavy consumption is associated with hypertension, coronary artery disease, arrhythmias, heart failure and alcohol related cardiomyopathy. The cardiovascular implications of…
…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…
…injury currents are not strong enough to be detected on leads with opposite angle of observation. Other vectors may interfere with the injury currents, and…
…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…
…Concussion, temporal bone injury, dissection, aminoglycoside toxicity, antiepileptic drugs, alcohol or sedatives Trauma and medication directed workup This corresponds to the principles of TiTrATE, in…
…transmural ischemia. On the other hand, leads V1–V3 (occasionally V4) may detect the injury currents and present them as ST segment depressions. These depressions…
…anaesthetic. Place a field block in healthy skin around the abscess instead of injecting into it, and expect the procedure to hurt even so. Offer…
…if there is suspicion of cervical spine injury, in which scenario head tilt chin lift should only be used if other methods fail to open…
…intravenous) Loading dose by weight, maintenance dose by renal function and drug concentration Gentamicin and other aminoglycosides A single dose initially. If treatment is continued…
…or unsecured airway in a patient with a reduced level of consciousness Gastric lavage Corrosive injury or suspected oesophageal perforation Gastric lavage Petroleum products Gastric…
…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…
…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…
…opening of a persistently occluded infarct related artery in a stable and asymptomatic patient is by contrast not recommended [1,5]. STEMI criteria and occlusion…
…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…
…other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to individuals without established atherosclerotic cardiovascular disease (ASCVD), coronary artery…
…two vascular beds. Carotid disease therefore commonly coexists with coronary artery disease (CAD), peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal…
…three main questions discussed in media, blogs and on social plattforms: Is high cholesterol a true cause of coronary artery disease? Does diet affect cholesterol…
…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…
…coronary artery disease, diabetes mellitus, left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass…