…and a thin fibrous cap. Disruption of the cap exposes the lipid core and extracellular matrix to circulating blood. Tissue factor within the plaque and…
60+ träffar
…and a thin fibrous cap. Disruption of the cap exposes the lipid core and extracellular matrix to circulating blood. Tissue factor within the plaque and…
…Chronic: more than 90 days. The central clinical danger is progressive aortic wall disruption, rupture and compromise of branch vessels. Type A disease may cause…
…setting of ST elevation myocardial infarction (STEMI), cardiogenic shock most commonly reflects severe left ventricular (LV) dysfunction, accounting for approximately 80% of cases. Other causes…
…superimposed on the patient's baseline cardiovascular state. For instance, a patient with stable CAD may present with clinical manifestations of myocardial ischaemia following an…
…hypercontractility or hypersensitivity of coronary vascular smooth muscle to vasoconstrictor stimuli, including adrenergic agonists, leukotrienes, and serotonin. In patients with CAD, endothelial disruption may convert…
…in other reports. It is more frequent in women and in patients presenting with NSTEMI than in those presenting with STEMI. Approximately one third of…
…after ROSC or initiation of ECMO. The syndrome was first described by Negovsky , who identified four processes that defined the victim's outcome: Neurological injury…
…The test presupposes that the patient has spontaneous nystagmus at the time of examination and that the examiner is experienced with the head impulse test…
…and other symptoms may occur without chest pain and should be considered anginal equivalents. The emergency evaluation of non traumatic chest discomfort is structured around…
…for: characterizing the surface of atheroma; measuring fibrous cap thickness; distinguishing thrombus from plaque; evaluating occult plaque rupture; identifying spontaneous coronary dissection or intramural hematoma…
…The youngest children often display spontaneous movements of limbs, neck and trunk, which may cause disturbances and thus reduce the quality of the ECG recording…
…Acute balance syndrome Acute persistent unsteadiness or ataxia without clear spontaneous nystagmus Cerebellar or brainstem infarction, intoxication, Wernicke's encephalopathy, other central disease Neurological examination…
…particularly if spontaneous or diuretic induced, but it is absent in most diagnosed patients. Reliance on hypokalaemia alone therefore misses a substantial proportion of cases…
…of chest compressions. Identifying return of spontaneous circulation (ROSC). Prognostication. Potential reasons for a flat ETCO2 curve include: Ventilator or capnograph not activated. Displacement of…
…pulmonary disease (COPD) Bronchospasm (asthma) Other : Coma Central hypoventilation syndromes Neuromuscular diseases Anemia The natural course of asphyxia Should ventilation be entirely inhibited (as seen…
…all other causes have been ruled out. Inappropriate sinus tachycardia is presumably more common than previously thought and the condition may hamper the quality of…
…Use of synchronized electric shock (i.e. a shock synchronized to the QRS complex). Typically used to treat atrial fibrillation, ventricular tachycardia, and other tachyarrhythmias…
…result, pupils often dilate widely within 30–120 seconds of cardiac arrest and light reactivity is lost when cerebral blood flow ceases. In other words…
…to the QRS morphology during LBBB. Stimulation in other regions of the ventricle may result in a different QRS morphology. If the lead tip is…
…into the following categories: Bradyarrhythmia s (bradycardia): arrhythmias commonly due to dysfunctional automaticity in pacemaker cells or blocking of impulses somewhere along the conduction system…
…favorable prognosis, as compared with other forms of ventricular tachycardia. Mechanisms of ventricular tachycardia Ventricular tachycardia (VT) may emerge due to increased/abnormal automaticity, re…
…or pacemaker rhythm, 2 notches are required in the S wave or R wave. Fragmented QRS complexes are indications of previous myocardial infarction. There are…
…Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood…
…and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for the prevention of…
…Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease…
…C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing lipoproteins play a causal role in atherosclerotic cardiovascular disease…
…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…
…begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical contact, attach continuous rhythm monitoring…
…NSAIDs). Other contraindications: Hemophilia. Thrombocytopenia. Active gastric or duodenal ulcers. Liver cirrhosis. Severe heart failure. Doses 100 mg/day during the third trimester of pregnancy…
…cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet…
…C and other apoB containing lipoproteins within the arterial wall. This initiates inflammatory reactions that promote plaque formation and progression. As the burden of retained…
…aggregation. Because aspirin affects only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The…
…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…
…with homozygous FH typically die from acute myocardial infarction at 20 to 30 years of age. People with familial hypercholesterolemia have no other metabolic aberration…
…from selected populations, frequently with low or intermediate ischemic risk and under representation of patients with STEMI or other very high risk features. Noninferiority studies…
…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…
…left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures…
…Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD is a manifestation of systemic arterial disease rather…
…and cardiovascular rationale Smoking cessation is the complete discontinuation of tobacco smoking, with avoidance of second hand smoke and, where possible, other inhaled nicotine products…
…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…
…cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy. Biventricular hypertrophy ECG In case the ECG or other examinations suggest…
…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…
…distinct flow (almost 5 m/s) directed away from the transducer during systole (systole starts at the peak of the R wave on the electrocardiogram…
…tomographic images of the left ventricle. In PET (Positron Emission Tomography), radiotracers emit positrons. When a positron collides with an electron, they annihilate each other…
…opposite angle of observation. Other vectors may interfere with the injury currents, and inhibit them from being detected by leads with opposite angles of observation…
…atrial impulses are conducted to the ventricles. The atria and the ventricles are electrically dissociated from each other. This condition is referred to as atrioventricular…
…at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist…
…the bleeding risk of the procedure and by renal function. In markedly reduced renal function (dabigatran at eGFR <30 mL/min, the other DOACs at…
…marrow — choose the other side). A patient who cannot lie still — plan for sedation rather than abandoning the procedure. Choice of site The posterior superior…
…never happens, and to make sure the catheter does not become the patient's next focus of infection. Indications Infusion of vesicant solutions: vasopressors, concentrated…
…margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis. A lesion in which histology is…
…high grade AV block without pacemaker protection. Asthma and other marked obstructive airways disease — relative; the risk of bronchospasm is real. Hypotension and haemodynamic instability…
…applies where you work. They assume normal renal and hepatic function, a non pregnant adult of normal weight, and individual assessment. See the separate quick…
…organ damage. Isolated malignant retinopathy without other acute organ damage can often be treated more cautiously with oral drugs under careful observation [3,4]. A…
…and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the symptoms and the patient's need…
…the ratio between the body's exchangeable sodium and potassium and the total body water. In hypotonic hyponatraemia the amount of water is too great…
…bilirubin Unconjugated, the others normal Gilbert's syndrome, haemolysis The R value = (ALT / upper limit of normal) / (ALP / upper limit of normal). An R…
…pain or a rapid deterioration in general condition may be the only signs of infection. Corticosteroids and other immunosuppressive treatments can blunt the febrile response…
…tricuspid inflow The echocardiographic counterpart of pulsus paradoxus Contraindications In overt tamponade with shock there are no absolute contraindications other than the conditions in which…
…injection; 25–27 G, 25 mm for the carpal tunnel, de Quervain's and trigger finger. Syringes of 3, 5 and 10 mL, artery forceps…