…further classified based on the intensity of tracer uptake and associated myocardial changes: Mild defects : Characterized by decreased tracer counts while preserving normal wall thickness…

…degree of ischemia, parasympathetic and sympathetic tone) while others take months or years to develop (e.g. myocardial remodeling in heart failure or after myocardial…

…In DHF, ventricular rate may decrease as dyspnoea improves and sympathetic activation subsides, making it difficult to determine whether AF initiated the deterioration or resulted…

…By reducing intestinal cholesterol absorption, it decreases the quantity of cholesterol delivered to the liver. The resulting hepatic response includes increased expression of low density…

…the blood cells (primarily erythrocytes) and tissues (primarily myocardium). The Doppler principle, however, remains unchanged: when the sound source and reflectors move towards each other…

…hepatocytes. Reduced hepatic PCSK9 synthesis decreases circulating PCSK9, increases the availability of hepatic low density lipoprotein cholesterol (LDL C) receptors at the cell surface, and…

…electrolyte imbalances are clinically negligible (from an electrophysiological standpoint), whereas others may be life threatening. The most common and clinically most relevant electrolyte imbalances concern…

…these adverse events are related to the suppression of the renin angiotensin aldosterone system (RAAS), such as decreases in blood pressure and mild azotemia. However…

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

…in turn reduces the L type calcium current (Ica.L) and the pacemaker current (If) in sinus node cells, accompanied by a decrease in Vmax…

…attenuates carotid sinus baroreceptor activity and acts centrally and peripherally to enhance vagal tone. These sympatho inhibitory effects decrease serum norepinephrine levels, plasma renin levels…

…the cell membranes collapse whereby cellular proteins are released into the circulation. It is possible to detect elevated levels of myocardial proteins in blood within…

…sector is created using sequential activation of the piezoelectric crystals. The crystals are activated from one side to the other, as illustrated in Figure 2…

…structural heart disease). AVNRT, AVRT (WPW syndrome) and other conditions involving an accessory pathway. Paroxysmal atrial fibrillation in patients with severe symptoms, provided that first…

…wave, it is still referred to as a QRS complex . In other words, if ventricular depolarization only generates a Q wave and an R wave…

…of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI…

…the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for ventilatory…

…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…

…arrhythmia. 4. Take a full blood count, electrolytes, creatinine, glucose, high sensitivity troponin and, where needed, coagulation tests. Blood sampling must not delay reperfusion. 5…

…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…

…Corticosteroids and other NSAIDs: Increased risk of gastrointestinal bleeding when combined with acetylsalicylic acid. Uric acid excretion agents (e.g., probenecid): Salicylates counteract the effect…

…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…

…faintness, and other symptoms may occur without chest pain and should be considered anginal equivalents. The emergency evaluation of non traumatic chest discomfort is structured…

…NHLBI initiated the Framingham Heart Study, which demonstrated that high blood pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary…

…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…

…blood pressure elevation accompanied by acute hypertension mediated target organ damage (HMOD). The European definition uses BP ≥180/110 mmHg with acute HMOD, although other…

…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…

…with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2:1 block will be difficult…

…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…

…when recording during chest pain is not consistent with myocardial ischemia. In other words, chest pain caused by ischemia will always result in ischemic ST…

…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…

…exposure. It is metabolically inert and diffuses freely across cell membranes, allowing for precise quantification of myocardial blood flow and assessment of coronary flow reserve…

…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…

…and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist / hip Men 0.90, women 0.85 = abdominal…

…tranexamic acid where it is not contraindicated, and contact with the on call coagulation service. Send samples for INR, APTT, platelet count, fibrinogen and creatinine…

…change side, and avoid irradiated fields. Preparation and equipment Informed consent, current full blood count and coagulation screen, medication list. Chlorhexidine in alcohol, sterile gloves…

…incompatible infusions. Haemodialysis, plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure…

…any other pigmented lesion of uncertain diagnosis. A lesion in which histology is needed for management. Cryoglobulinaemia, cold agglutinin disease, cold urticaria. Relative: Basal cell…

…sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked obstructive airways disease — relative; the risk of bronchospasm is real…

…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…

…retinopathy without other acute organ damage can often be treated more cautiously with oral drugs under careful observation [3,4]. A markedly raised blood pressure…

…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…

…1. Assess airway, breathing and circulation. 2. Assess the neurological symptoms and at the same time exclude other acute causes, for example hypoglycaemia, poisoning, stroke…

…Drug induced liver injury is the commonest cause Isolated bilirubin Unconjugated, the others normal Gilbert's syndrome, haemolysis The R value = (ALT / upper limit…

…while the typical local signs of inflammation may be faint or absent. Take cultures immediately, but never let sampling, imaging, the blood count or contact…

…catheter , plus a drainage bag. Sample tubes for cell count, chemistry, culture and cytology, and blood culture bottles. Intravenous fluid and a vasopressor prepared. The…

…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…