…exceeding those seen with native vessel PCI. Mechanisms The principal mechanism is distal embolization of atheromatous and thrombotic material. Plaque or thrombus may be dislodged…
60+ träffar
…exceeding those seen with native vessel PCI. Mechanisms The principal mechanism is distal embolization of atheromatous and thrombotic material. Plaque or thrombus may be dislodged…
…pH 7.45 is alkalaemia. A normal pH does not exclude an acid base disorder 2 Which process explains the pH? A low pH with…
…scope Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular…
…neurons and other tissues. This distribution helps explain why PA produces cardiovascular injury beyond its effects on blood pressure and potassium balance. The principal sporadic…
…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…
…Other cardiopulmonary causes , including myopericardial disease, pulmonary embolism, aortic emergencies, and pneumothorax. Non cardiopulmonary causes , including gastrointestinal, musculoskeletal, and anxiety related disorders. The immediate objective…
…Cure is not universal, however. Delayed recognition may permit vascular remodelling and renal impairment to develop, leaving persistent hypertension despite correction of the initiating disorder…
…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…
…such as amyloidosis or sarcoidosis Other cardiac procedures Chemotherapeutic agents Catheter ablation Critical illness Defibrillator shocks Strenuous exercise Cardiac contusion The diagnosis should therefore distinguish…
…may not be visible on surface ECG. Oversensing may also occur when electrical events in one chamber is sensed by the lead in the other…
…coronary artery disease) as the underlying cause. Other common causes are cardiomyopathy (hypertrophic or dilated), arrhythmogenic right ventricular cardiomyopathy, Brugada syndrome, early repolarization. Electrolyte disorders…
…HMOD) Probable or definite familial hypercholesterolaemia Other markedly abnormal single risk factors or genetic, rare lipid, or BP disorders Pregnancy Established ASCVD includes previous acute…
…These disorders require distinction from true MINOCA because their management is different. Takotsubo syndrome and myocarditis should not be classified as MINOCA when they are…
…also present in individuals without identifiable cardiac disease. Contributing factors include pulmonary disorders, particularly obstructive pulmonary disease, the use of theophylline, and elevated catecholamine states…
…and the condition is classified as cardiac tamponade. The classical signs of cardiac tamponade are hypotension, muffled heart sounds and jugular venous distention. Other frequent…
…electrolyte disorders , congenital heart disease and catecholamine induced ventricular tachycardia . The vast majority of patients with ventricular tachycardia either have coronary artery disease (ischemic heart…
…are fairly specific to the disorder, provided that the clinical characteristics are in line with the disorder. There are however other disorders that may bring…
…are more prevalent in women. Chronic kidney disease and several other comorbidities also contribute to the disproportionate cardiovascular burden in women. Depression and anxiety are…
…gastrointestinal disorders. Radiation of discomfort to the trapezius ridge is not seen in STEMI and suggests pericarditis instead. Pain is not uniformly present. The proportion…
…depression). As mentioned above there are numerous other conditions that affect the ST T segment and it is fundamental to be able to differentiate these…
…hyperkalemia and hypokalemia can induce life threatening arrhythmias and cardiac arrest, with hyperkalemia being the most prevalent electrolyte disturbance observed in cardiac arrest scenarios. Hypocalcemia…
…the ST T segment is discordant ( Figure 1 ). Ventricular rhythm typically occurs during complete heart block (third degree AV block). Importantly, ventricular rhythm is not…
…an isolated disorder of the lower limbs. Patients frequently have concomitant coronary, cerebrovascular or other peripheral arterial disease, and management should therefore address the entire…
…over extensor tendons, are characteristic clinical manifestations of untreated FH and may develop when the disorder is not recognized early in life. Corneal arcus and…
…and the visible ECG changes. Specific electrolyte disorders 1. Sodium Increased (hypernatremia) and decreased (hyponatremia) sodium levels do not have any effect on the ECG…
…take the plasma osmolality, urine osmolality and urine sodium before treatment. 5. With severe symptoms: give hypertonic saline immediately. Do not wait for a complete…
…While the risk of TdP is well defined for many of these agents, many are classified as QT prolonging solely based on their drug class…
…the intima, and thrombus formation. Atherosclerosis is therefore not simply a disorder of lipid storage. Its biology includes: accumulation and modification of lipids within the…
…cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction. However, association is not the same as causation . A…
…other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption but to achieve complete abstinence from tobacco and ultimately…
…Monitoring at the appropriate level of care , with readiness for respiratory support. 5. Treatment of the alcohol use disorder and planned follow up , not merely…
…hypoglycaemic disorder is defined primarily by Whipple's triad : 1. Symptoms or signs consistent with hypoglycaemia. 2. A documented low plasma glucose during the symptoms…
…and herpes zoster pain are other considerations when assessing chest pain [2]. Autoimmune/Malignancy: A history suggesting an autoimmune disorder or known malignancy may suggest…
…the specificity for pathological R wave progression is considerably lower than pathological Q waves and guidelines do not state any ECG criteria specific to R…
…other cardinal symptoms and the severity of the illness. 7. Start NIV without undue delay in persistent hypercapnic respiratory acidosis, if invasive ventilation is not…
…is recommended. Creatinine levels may rise during treatment with ticagrelor. The mechanism is unclear. Kidney function should be monitored according to clinical practice. Special attention…
…density lipoprotein cholesterol (LDL C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing lipoproteins play a causal role…
…ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine triphosphate) as the primary energy source…
…assess the circulation and the bleeding risk, and exclude dangerous differential diagnoses [1,2]. STEMI and other ECG patterns suggesting acute coronary occlusion are time…
…impossible Cerebellar infarction HINTS in continuous vertigo HINTS is not a test for BPPV. It is used in the acute vestibular syndrome — continuous vertigo with…
…The source material does not specify the loading dose. Efficacy and harms In secondary prevention trials involving patients with previous vascular disease, aspirin reduced the…
…disease (ASCVD). Atherosclerosis develops through the progressive deposition and retention of LDL C and other apoB containing lipoproteins within the arterial wall. This initiates inflammatory…
…its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention…
…evaluation of other atherosclerotic disease. Routine population screening is not recommended because the prevalence of severe asymptomatic stenosis is low, screening has not been shown…
…stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI), or medical management. The standard post ACS regimen is DAPT for 12…
…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…
…other comorbidities Surgical risk and contraindications to prolonged dual antiplatelet therapy Patient preferences, local expertise and operator or institutional experience Assessment of coronary complexity The…
…be associated with atrial flutter. As compared with several other supraventricular tachyarrhythmias, atrial flutter does not occur among otherwise healthy individuals. Atrial flutter causes characteristic…
…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…
…if the opportunity is given. An ECG without ischemic ST T changes when recording during chest pain is not consistent with myocardial ischemia. In other…
… one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave Doppler and pulsed wave Doppler is…
…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…
…but they do not rule out ischemia. Other features of ischemic ST segment elevations In STE ACS (STEMI) the level of the J point is…
…PR interval suggest third degree AV block because atrial and ventricular rates are most often not equal (which makes the PR interval appear as varying)…
…index 15–19 kg/m² 17–22 kg/m² Ideal and dosing weight Drug dosing often requires a weight other than the actual body weight…
…other DOACs are possible according to FASS, but the documentation is insufficient; check more frequently. Warfarin is often preferable <15 or dialysis DOACs are not…
…questions and do not replace one another: the aspirate shows cellular morphology and provides material for flow cytometry and genetics, while the biopsy shows marrow…
…The need for several simultaneous, incompatible infusions. Haemodialysis, plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter…
…leaves no specimen . That makes the choice of lesion the critical point: never freeze anything whose diagnosis you have not established. Indications Lesion Freeze time…
…give a positive result. A negative test does not exclude myasthenia gravis. Today the test plays a marginal role in Sweden. Edrophonium is available only…