…temperature at the outer edge of the tissue is decisive: benign tissue requires about −25 °C for reliable cell death, malignant tissue about −50 °C…
60+ träffar
…temperature at the outer edge of the tissue is decisive: benign tissue requires about −25 °C for reliable cell death, malignant tissue about −50 °C…
…genes encoding potassium and calcium channels of the outer cell membrane. Clinical presentation of Brugada syndrome Most patients are asymptomatic until the age of 20…
…The desmosome is a component of the intercalated disc that connects myocardial cells mechanically and electrically. Most mutations are inherited in an autosomal dominant manner…
…a course of chemotherapy, but the timing varies considerably between regimens. Neutropenia can also be caused by haematological malignancy, stem cell transplantation, immunosuppressive drugs, radiotherapy…
…With ultrasound guidance, the point at which the fluid lies most superficially is chosen and the needle is followed all the way in, which has…
…ECG and clinical examination, blood tests and other radiological examinations are most often required, in particular computed tomography (DT) and/or magnetic resonance imaging (MRI…
…a Dieulafoy lesion, angiodysplasia, malignancy and an aortoenteric fistula. Variceal bleeding generally has a higher early mortality than non variceal bleeding [1,2]. Upper gastrointestinal…
…In addition, some patients present with severe LMCA stenosis exacerbated by other conditions, and these must also be recognized. Prompt identification of LMCA involvement is…
…kidneys, or other vascular beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in…
…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…
…on the coronary arteries. The tumors can be asymptomatic for a long time and be detected randomly when investigating other conditions. More dramatic onset of…
…associations include: Idiopathic or viral pericarditis Malignant pericardial disease Tuberculosis Purulent or bacterial pericarditis Trauma Cardiac surgery and other iatrogenic cardiovascular procedures Acute aortic disease…
…The intramyocardial segment is termed the tunnelled artery. The left anterior descending artery (LAD) is most commonly involved. The reported prevalence depends substantially on the…
…heart failure, malignant arrhythmias, or mechanical complications. Risk assessment is intended to identify patients most likely to benefit from early coronary angiography and revascularization, while…
…dominant channelopathy with incomplete penetrance and variable expressivity. The first and most critical genetic locus identified was SCN5A , the gene encoding the alpha subunit of…
…task is to clarify the cause of the tachycardia. The cause may range from benign to highly malignant, which is why expeditious management is warranted…
…pregnancy or malignancy. A markedly raised GGT with the other tests normal is most often enzyme induction by alcohol or drugs and is often of…
…puncture, and antibiotics and a corticosteroid are then given immediately after blood cultures. For questions other than acute meningitis — an insidious onset, known malignancy, immunosuppression…
…Other Systemic/Local Causes Conditions: Intraabdominal processes, pneumothorax, and herpes zoster pain are other considerations when assessing chest pain [2]. Autoimmune/Malignancy: A history suggesting…
…formed. Ultrasound settles the question when the clinical picture is unclear. Cellulitis without a pus cavity must not be incised — there, antibiotics are the treatment…
…5. Biopsy any ulcer that has not healed within three months despite adequate treatment — malignancy (Marjolin's ulcer, basal cell carcinoma) and vasculitis do occur…
…If U waves were present on previous recording, the amplitude must be increased in order to suggest ischemia. Inverted U waves are even more typical…
…Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the…
…administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for…
…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…
…must not delay reperfusion. 5. Give aspirin if acute coronary syndrome is likely and aortic dissection or active major bleeding is not suspected. 6. Call…
…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…
…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…
…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…
…containing lipoproteins, including: LDL Intermediate density lipoprotein (IDL) Lipoprotein(a) [Lp(a)] Very low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non…
…only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and…
…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…
…not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated troponin, so biomarker interpretation must be integrated with the clinical history, ECG…
…Study, which demonstrated that high blood pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction…
…syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI), or medical…
…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…
…or arteries supplying the limbs. In adults over 40 years of age, atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia…
…with avoidance of second hand smoke and, where possible, other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption…
…However, most cardiac conditions may be associated with atrial flutter. As compared with several other supraventricular tachyarrhythmias, atrial flutter does not occur among otherwise healthy…
…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…
…ECG must be performed on all patients seeking medical attention due to chest discomfort or other symptoms that may be caused by myocardial ischemia. Other…
…two different sets of piezoelectric crystals; one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave…
…radiotracers emit positrons. When a positron collides with an electron, they annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect…
…1 A ). Concave ST segment elevations, on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted…
…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…
…Fat free mass index 15–19 kg/m² 17–22 kg/m² Ideal and dosing weight Drug dosing often requires a weight other than the…
Farmakologi & dosering Kardiologi Lathundar Three questions come up again and again on call: which dose, how long to interrupt treatment before a procedure, and how…
…well the puncture went. Indications Unexplained cytopenia in one or more cell lines. Suspected acute leukaemia, myelodysplastic syndrome or myeloproliferative neoplasm. Work up and staging…
…The most common serious error is dilating a vessel that turns out to be an artery — everything in the technique is designed to make sure…
…rarely, asystole, and the test must therefore never be performed without atropine, ECG monitoring and access to airway support. Indications Clinically suspected myasthenia gravis in…
…then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always…
…alcohol, a missed meal, physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the…
…not to normalise the plasma sodium. Chronic or minimally symptomatic hyponatraemia must be corrected in a controlled fashion, since too rapid a rise can cause…
…a sufficient effect. Contraindications Absolute: Cellulitis, a skin wound or other infection over the injection site. Bacteraemia or suspected septic bursitis or arthritis. A joint…
…a pulse that can be felt. The other predictable error is forgetting that pacing hurts a great deal in a conscious patient. Indications Immediate (transcutaneous)…
…is disputed and practice differs between units. Poisoning with other weak acids where the poison control centre recommends it, for example certain phenoxy acid herbicides…
…Definition of aortic aneurysm Sinus of Valsalva 45 mm. Any other segment 40 mm in diameter. Thresholds for surgery Threshold for surgery Relevant patient category…
…8% Interpretation of ATRIA risk score. Comparison with other bleeding risk models Several bleeding risk assessment tools exist for patients with AF, including HAS BLED…