…depends almost entirely on the capacity to identify, prospectively, those individuals genuinely at risk of arrest. This predictive problem has proven persistently resistant to resolution…

…length Large thrombotic burdens increase procedural risk because thrombus can fragment, embolize to other coronary branches or vascular beds, propagate through gaps between stent struts…

…other supraventricular tachyarrhythmias, atrial flutter does not occur among otherwise healthy individuals. Atrial flutter causes characteristic ECG changes, as discussed below. Atrial flutter tends to…

…dangerous differential diagnoses [1,2]. STEMI and other ECG patterns suggesting acute coronary occlusion are time dependent conditions. The decision on immediate reperfusion is based…

…or other infection over the injection site. Bacteraemia or suspected septic bursitis or arthritis. A joint prosthesis in the adjacent joint. Known hypersensitivity to the…

…for pathological R wave progression is considerably lower than pathological Q waves and guidelines do not state any ECG criteria specific to R wave progression…

…likely to attain blood pressure treatment goals. Female specific and female predominant risk factors Risk assessment should include reproductive and pregnancy related history. Female specific…

Cardiology Endocrinology & metabolism Definition and pathophysiology Secondary hypertension is elevated blood pressure attributable to a specific, identifiable underlying cause. It should be considered in every…

…aVR and often V1, and does not correspond to a specific coronary anatomic distribution [4, 5]. In contrast to acute myocardial infarction, pericarditis lacks prominent…

…their use is limited by specific adverse effects. Most of these adverse events are related to the suppression of the renin angiotensin aldosterone system (RAAS…

…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…

…dominant transmission, in which an affected heterozygous individual has a 50% risk of transmitting the relevant variant to each child. However, other inheritance patterns, de…

…reserve (FFR) is an invasive, lesion specific physiological index used to estimate the functional significance of an epicardial coronary stenosis. It is defined during maximal…

…a patient with known myasthenia responds to further cholinesterase inhibition. The test has a sensitivity of around 60 % and is not specific: motor neurone disease…

…preferably anteroposteriorly : one anteriorly over the praecordium to the left of the sternum, the other on the back between the left scapula and the spine…

…misestimated if cholesterol measures alone are used. Risk in these circumstances appears to track more closely with apoB. Discordantly high apoB is especially associated with…

…with: Documented atherosclerotic cardiovascular disease (ASCVD) Diabetes mellitus in circumstances where diabetes specific risk assessment or risk categorization is applicable Moderate or severe chronic kidney…

…and other arrhythmias or conduction abnormalities. CKD also worsens the prognosis of established CVD. Mechanisms linking CKD to cardiovascular disease The association is mediated by…

…sodium pump. Digoxin binds reversibly to a specific high affinity site on the extracytoplasmic face of the alpha subunit of the Na+ K+ ATPase. This…

…Natriuretic peptide concentrations reflect haemodynamic stress, but their release is not specific to left ventricular systolic dysfunction. Levels may also rise with: Left ventricular diastolic…

…usually related to plaque rupture or erosion Type 2 MI caused by oxygen supply–demand imbalance unrelated to acute atherothrombosis Type 3 Cardiac death with…

…dyslipidaemia, obesity, smoking and other conventional risk factors, together with diabetes specific vascular and metabolic abnormalities. Diabetes is associated with inflammation, thrombosis and accelerated atherosclerosis…

…the interventions available in BLS, the number needed to treat (NNT) for the ACLS specific interventions is much higher or uncertain, meaning that the efficacy…

…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…

…relevance of withholding specific cardioactive medications during exercise testing (exercise ECG). Indications for exercise stress test Indications have been discussed in Introduction to Exercise ECG…

…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)…

…vagal tone does not necessitate treatment but it might be wise to observe the patient for 24 hours (including ECG monitoring). In all other situations…

…unlikely to be the cause of the ST segment depression. The horizontal ST segment depression is more specific than the downsloping depression. Refer to Figure…

…of the cylinder area (a) and flow velocity (v): Q = a • v This principle can be used to estimate blood flow across the valves…

…or prolonged endoscopic intervention a need for general anaesthesia for other reasons. Extubate as soon as it is safe to do so after the endoscopy…

…according to the fourth universal definition of MI. Type 1 MI is generally related to an atherothrombotic event, whereas Types 2–5 MI have other…

…does not provide specific details regarding the physical examination or general evaluation of patients with bradycardia. Diagnostics Electrocardiographic assessment is fundamental to the diagnosis and…

…contraindications to coronary angiography in the general sense; the decision depends on balancing the expected diagnostic or therapeutic benefit against the patient’s specific procedural…

…thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features that may not be evident on angiography alone…

…should influence the choice between PCI and CABG. Physical examination findings are not specific to left main disease. The examination should nevertheless assess the consequences…

…treatment related contributors, and excess cardiovascular risk. The European definition requires failure to reduce office systolic and diastolic blood pressure to below 140 mmHg and…

…driver of global cardiovascular morbidity and mortality, primarily due to its association with ischemic stroke and systemic embolism. The contemporary understanding of AF has evolved…

…ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia. After this period…

…listed above. Many of the diagnoses mentioned below are discussed in detail in other chapters, to which links are provided throughout the text. Heart rate…

…the same. The sinoatrial (SA) node is the heart’s pacemaker under normal circumstances and the rhythm is referred to as sinus rhythm . An arrhythmia…

…effusion is detected randomly (for example, in CT, MRI, echocardiography). In other cases, the effusion is detected under more dramatic circumstances, as is the ca

…patient to recite the months of the year backwards. A normal result does not exclude delirium, however, and an abnormal result is not specific to…

…Unlike many other intravenous medications where rapid boluses risk hemodynamic instability or transiently toxic concentrations, adenosine requires a rapidly delivered bolus to achieve sufficiently high…

…herpes zoster pain are other considerations when assessing chest pain [2]. Autoimmune/Malignancy: A history suggesting an autoimmune disorder or known malignancy may suggest specific…

…premature myocardial infarction, vascular disease or marked hypercholesterolaemia. Physical findings related to cholesterol deposition. Untreated or inadequately treated patients may develop premature CAD. Symptoms therefore…

…syndrome are fairly specific to the disorder, provided that the clinical characteristics are in line with the disorder. There are however other disorders that may…

…potentially indicating microvascular dysfunction or other pathologies. The software allows for detailed regional analysis of myocardial perfusion, highlighting specific segments of the left ventricle that…

…owing to changes in intra and extracellular electrolyte concentrations. Some electrolyte imbalances are clinically negligible (from an electrophysiological standpoint), whereas others may be life threatening…

…are common to all protocols. Children, pregnant women and patients with advanced renal failure, marked heart failure or circulatory shock require a specific protocol and…

…most commonly related to the left atrial appendage, although competing mechanisms such as large artery atherosclerosis and small vessel disease may also contribute to stroke…

…Akutsjukvård Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the…

…reported in patients taking ticagrelor. This is related to ticagrelor inhibiting the P2Y12 receptor on healthy donor platelets in the test. Information about concurrent ticagrelor…

…combined dyslipidaemia, non HDL C is particularly relevant because it captures triglyceride rich lipoproteins in addition to LDL and other apoB containing particles. Cardiovascular risk…

…and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine…

…test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds to a minute or so…

…administer to patients with a history of asthma, rhinitis, or urticaria triggered by: Acetylsalicylic acid (aspirin). Other non steroidal anti inflammatory drugs (NSAIDs). Other contraindications…

…with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet activation and aggregation contribute importantly to arterial thrombus formation…

…compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to individuals without established atherosclerotic…

…PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke…

…have been debated intensely in the past decade. A quick search (on Google) for anything related to statins, LDL cholesterol and dietary fat returns thousands…