…fluid balance, renal function, electrolytes and supplemental oxygen [1]. Distinguish between: Acidaemia and alkalaemia , which describe the current pH of the blood. Acidosis and alkalosis…
60+ träffar
…fluid balance, renal function, electrolytes and supplemental oxygen [1]. Distinguish between: Acidaemia and alkalaemia , which describe the current pH of the blood. Acidosis and alkalosis…
…is primarily a disorder of water balance. The plasma sodium reflects the ratio between the body's exchangeable sodium and potassium and the total body…
…local and systemic disorders. Accumulation of fluid in the pericardial space may lead to increased intrapericardial pressure, which in turn affects ventricular relaxation (and thus…
…Risk of acute kidney injury increases when combined with ACE inhibitors. Corticosteroids and other NSAIDs: Increased risk of gastrointestinal bleeding when combined with acetylsalicylic acid…
…fracture of the leads. External causes are less common and include electrolyte disorders, metabolic disorders, hypoxemia, antiarrhythmic drugs, or electromagnetic disturbance caused by other machines…
…because myocardial injury may occur without myocardial ischaemia. Non ischaemic myocardial injury may accompany numerous cardiac and systemic disorders, including: Cardiac causes Systemic causes Heart…
…hypertension and thromboembolic disorders. Most recognised heritable cardiovascular conditions demonstrate autosomal dominant transmission, in which an affected heterozygous individual has a 50% risk of transmitting…
…adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors. In contrast…
…macrophages, neurons and other tissues. This distribution helps explain why PA produces cardiovascular injury beyond its effects on blood pressure and potassium balance. The principal…
…reproductive and pregnancy related history. Female specific or female predominant factors associated with later cardiovascular risk include: Premature menopause Premature ovarian insufficiency Hypertensive disorders of…
…the presence of hypokalaemia or treatment resistance. Hypokalaemia should not be permitted when assessing dietary electrolyte intake, because it can increase blood pressure and may…
…mistaken impression of indigestion. STEMI pain can simulate pain from acute pericarditis, pulmonary embolism, acute aortic dissection, costochondritis, and gastrointestinal disorders. Radiation of discomfort to…
…injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated troponin…
…Other common causes are cardiomyopathy (hypertrophic or dilated), arrhythmogenic right ventricular cardiomyopathy, Brugada syndrome, early repolarization. Electrolyte disorders, acidosis, hypoxemia and ischemia all aggravate the…
…coronary disorders. The investigation should be undertaken when its diagnostic or therapeutic consequences are likely to outweigh procedural risks. This balance forms part of shared…
…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…
…primary and secondary. Primary and secondary ST T changes Primary ST T changes are caused by abnormal repolarization . This is seen in ischemia, electrolyte disorders…
…without identifiable cardiac disease. Contributing factors include pulmonary disorders, particularly obstructive pulmonary disease, the use of theophylline, and elevated catecholamine states. EAT typically has an…
…after reperfusion in an occluded coronary artery. It also occurs as side effect of drugs, hypoxia, myocarditis and electrolyte disorders. Because the rate (60–100…
…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…
…managed as chronic hyponatremia. Degree of hyponatremia P/S Na + Common effects Mild 130 125 mmol/l Cognitive disorders, vertigo, balance disorder. Moderate 115 125…
…highly malignant disorder that must be recognized by any health care provider. A family history of any of the above listed symptoms and manifestations must…
…2]. Summary of Pain Characteristics The following table synthesizes the key differential diagnoses and their characteristic pain patterns based on the provided context. Condition Typical…
…of systemic arterial disease rather than an isolated disorder of the lower limbs. Patients frequently have concomitant coronary, cerebrovascular or other peripheral arterial disease, and…
…others. It is a novel, broad spectrum hydroxamic acid based inhibitor of histone deacetylase... <a href="http://www.ncbi.nlm.nih.gov/pubmed/?term=Abexinostat+AND…
…Use of cannabis, electronic cigarettes or other inhaled products. Readiness to attempt cessation. Depression, schizophrenia, schizoaffective disorder, HIV infection or other circumstances that may affect…
…antithrombotic surface, and control the adhesion and migration of inflammatory cells. Dyslipidaemia, cigarette smoking, hypertension, diabetes mellitus and other adverse influences disturb these functions. The…
…of dissection and impaired distal flow. These alternative causes must be distinguished from isolated no reflow because their treatment may require immediate stenting or other…
…presence of tendon xanthomas, corneal arcus and xanthelasma. Potential secondary causes of hypercholesterolaemia. The likelihood of a monogenic disorder and the need for family based…
…treatment and treatment of the precipitating illness the prognosis is considerably better [3,5]. Pathophysiology Alcohol enhances inhibitory signalling via gamma aminobutyric acid, GABA, and…
…physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the symptoms and the patient…
…is a correlation between the severity of electrolyte imbalance and the visible ECG changes. Specific electrolyte disorders 1. Sodium Increased (hypernatremia) and decreased (hyponatremia) sodium…
…FH). Heterozygous FH results in high LDL cholesterol levels (but nothing else) and increases the risk of acute myocardial infarction by more than 50 times…
…typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and…
…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…
…interpreting platelet function tests for HIT. Other cosiderations Based on a relationship observed in the PLATO study between the maintenance dose of ASA and the
…reflects the concentration of circulating atherogenic particles because each apoB containing particle carries one apoB molecule. LDL C, non HDL C and apoB are usually…
…Thus, supply and demand are balanced and no ischemia occurs. (Some individuals display a benign form of ischemia located in the subendocardium during exercise; this…
…pads if the patient is unstable or at marked risk of arrhythmia. 4. Take a full blood count, electrolytes, creatinine, glucose, high sensitivity troponin and…
…history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds…
…and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet activation and…
…low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non HDL C provides a broader estimate of atherogenic cholesterol than LDL C alone…
…one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary…
…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…
…In the setting of acute coronary syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography…
…Usually hospital based, often ICU Usually outpatient Initial treatment Carefully titrated intravenous therapy when indicated Oral treatment and prompt follow up Main risk of management…
…ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures. Both…
…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…
…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…
…conventional ECG) be used for interpretation of ischemia. All available ECG criteria for acute myocardial infarction and ischemia are based on conventional 12 lead ECG…
…sets of piezoelectric crystals; one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave Doppler and…
…annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect these gamma rays to construct images with high spatial and temporal…
…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…
…electrically dissociated from each other. This condition is referred to as atrioventricular (AV) dissociation. Importantly, for the ventricles to have any electrical (and thus pumping)…
…lowest rib and the iliac crest, at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement…
…call coagulation service Always in parallel: mechanical control of bleeding, tranexamic acid where it is not contraindicated, and contact with the on call coagulation service…
…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…
…plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous…
…front , and this is why the margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis…
…obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked…