…are elevated. The syndrome is therefore defined by symptoms and signs of congestion or impaired cardiac performance rather than by ejection fraction alone. Heart failure…

…increased respiratory rate and depth, increased sweating, and muscle fatigue. Although this is a subjective measure, it provides a fairly good estimate of the actual…

…minutes . 4. Give 2 mg of edrophonium intravenously as a test dose . Observe pulse, blood pressure and muscle strength for a few minutes. 5. If…

…the His Purkinje system and ventricular muscle are minimal, except in cases of toxic concentrations. In most patients, the sinus rate and P wave duration…

…6 weeks of starting treatment. They generally occur without a marked CK elevation. After statin withdrawal, symptoms usually improve over several weeks and may recur…

…Cardiogenic shock. Complete transection of a papillary muscle may cause immediately overwhelming MR. Partial rupture, often involving the tip or head of the muscle, more…

…operative treatment — contact an orthopaedic surgeon before attempting reduction. Posterior shoulder dislocation, which is often associated with fracture and requires an orthopaedic surgeon. Dislocation of…

…are cardiac specific isoforms of troponin and these are abbreviated cTnI, cTnT, and cTnC. The isoforms cTnI and cTnT are specific to cardiac muscle cells…

…BMI of 23 and obesity from 27.5, because cardiometabolic risk appears at a lower BMI. BMI is misleading in athletes with a large muscle…

…C based eGFR With an atypical muscle mass, or to confirm a creatinine based value The mean of creatinine and cystatin C The most reliable…

…Clevidipine Drug Clevidipine Brand names Cleviprex ® Indications Hypertension and hypertensive emergency. Treatment of postoperative hypertension. Mechanism of action Ultra short acting calcium channel blocker …

…contraction of smooth muscle cells. As compared with nitroprusside, nicardipine induces relatively greater venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary and…

…perfusion of an upper or lower limb that causes tissue metabolic requirements to exceed available blood flow. The resulting ischaemia threatens skeletal muscle and peripheral…

…of the P wave. The P wave is a small, positive and smooth wave. It is small because the atria make a relatively small muscle…

…arteries throughout the circulatory system (Figure 1). The ventricular wall consists of an inner lining (endocardium), a thick muscle layer (myocardium) and an outer lining…

…disease of the arterial wall. It is characterized by the subendothelial accumulation of apolipoprotein B containing lipoproteins, macrophage infiltration, smooth muscle cell proliferation, and extracellular…

…Figure 1A 2C. The orientation of myocardial muscle fibers results in longitudinal, radial and circumferential shortening (contraction). Traditional methods for investigating left ventricular function — e…

…in vascular smooth muscle. Activation results in vasodilatation. D1 and D2 (dopamine receptors): activation of D1 and D2 in the kidneys and the splanchnic vascular…

…does not distinguish between fat, muscle, and bone mass. It does not indicate the types or distribution of body fat. It may not be accurate…

…consisting of individuals with CKD, limiting its accuracy when applied to healthy populations or those with acute kidney injury. Influence of Muscle Mass and Diet…

…contraction of smooth muscle cells. As compared with nitroprusside, nicardipine induces relatively greater venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary and…

…minutes. Administer sodium thiosulfate (cyanide into thiocyanate) and terminate infusion of nitroprusside if cyanide toxicity is suspected. Adverse effects • Nausea. Vomiting. Agitation. Muscle spasm. Sweating…

…The extracellular matrix is an active component of lesion development rather than merely a structural scaffold. Smooth muscle cells and fibroblasts contribute to matrix production…

…interval of 0.72–0.95 and an absolute risk reduction of 2.4%. There was no statistical evidence that glycaemic status modified the treatment…

…utility is frequently limited by its inability to distinguish between muscle mass and various fat depots, or to identify the precise location of excess adiposity…

…much larger (ventricular volume and muscle mass) than the right ventricle. Refer to Figure 1 . Figure 1. Cross sectional view of ventricular wall thickness in…

…progression of right heart failure may indicate the need for inodilator therapy. Furthermore, acute heart failure and cardiogenic shock can present de novo in pregnant…

…degree of obesity rises. Nevertheless, BMI alone does not define an individual’s cardiovascular risk. Cardiorespiratory fitness, skeletal muscle mass and the distribution of adipose…

…Assessment Before Prescription Physical activity should be assessed and prescribed using the components of: Frequency Intensity Time or duration Type Progression The prescription should be…

…relatives of patients with PA Patients with hypokalaemia may develop weakness, muscle cramps or, in severe cases, periodic paralysis. Nevertheless, many patients are normokalaemic and…

…accounting for approximately 80% of cases. Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral…

…muscle cells, leading to a white, platelet rich thrombus. Myocardial vulnerability, largely driven by coronary microvascular dysfunction, also contributes to the extension and severity of…

…endothelial dysfunction, smooth muscle cell dysfunction, and dysregulation of sympathetic innervation), coronary embolism, and spontaneous coronary artery dissection with or without intramural haematoma. Spontaneous coronary…

…are incompletely defined. Proposed contributors include hypercontractility or hypersensitivity of coronary vascular smooth muscle to vasoconstrictor stimuli, including adrenergic agonists, leukotrienes, and serotonin. In patients…

…are potentially hazardous and may precipitate cardiac arrest. The classification of hyperthermia is delineated in Table 1 below. Severity Clinical presentation Treatment Mild hyperthermia Thirst…

…of such changes is simply to enable the cardiopulmonary system to increase its delivery of oxygen to skeletal muscle and myocardium. The oxygen consumption – and…

…contraction of smooth muscle cells. As compared with nitroprusside, nicardipine induces relatively greater venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary and…

…the article follows: [...] Of every 10 such victims, the heart in 6 or 7 showed no recent disease in coronary arteries or in heart muscle…

…much larger (ventricular volume and muscle mass) than the right ventricle. Refer to Figure 1 . Figure 1. Cross sectional view of ventricular wall thickness in…

…imperfecta typically causes prolapse of P2 (Figure 1). Myocardial ischemia affecting the papillary muscles or the connected myocardium may cause mitral prolapse, and thus regurgitation…

…and P3 (posterior or lateral scallop). Figure 1. Anatomy of the mitral valve The leaflets are connected to the papillary muscles via chordae tendineae (Figure…

…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…

…pericardium, the pericardial cavity and/or the myocardium. Pericarditis refers to inflammation of the pericardium, and myocarditis refers to inflammation of the myocardial (muscle) tissue…

…coronary blood flow by relaxing vascular smooth muscle. They are contraindicated in patients with bronchospastic lung disease, or a history of significant reactive airway disease…

…the aorta. Afterload affects myocardial muscle fibers during systole and diastole. Afterload is a function of the following three variables: Aortic resistance (pressure). Left ventricular…

…conduction system, one must be familiar with the vascular supply to these components. Figure 1 presents all relevant parts of the conduction system and their…

…an acute or subacute worsening of dyspnoea, cough and sputum in particular that exceeds the patient's normal variation and requires a change of treatment…

…marker of function and may rise only after a substantial fall in glomerular filtration. The value is affected by muscle mass, nutrition, drugs and fluid…

…access, but do not let blood sampling or cannulation delay inhaled treatment. 8. Reassess speech, work of breathing, level of consciousness and air entry repeatedly…

…perforation. Sources Endocrine Society clinical practice guideline on the diagnosis and treatment of primary adrenal insufficiency. The summary of product characteristics for each glucocorticoid preparation…

…before revascularisation. Evaluation of treatment effect in stable angina. Exercise induced arrhythmia or exercise induced syncope. Assessment of chronotropic function and pacemaker settings. Preoperative functional…

…if possible, otherwise give IM with a fine needle and 5 minutes of compression. Anticoagulant treatment is not in itself a bar to vaccination. Relative…

…and slightly internally rotated. The posterior approach is preferable: it passes through muscle without major vessels or nerves, and the landmark — the posterior corner of…

…artery, which runs on the posterior aspect of the rectus muscle along its lateral border and is the commonest source of serious bleeding after paracentesis…

…Clinical Assessment Frailty and Functional Status Treatment decisions should not be based on age alone. Assessment should include: Degree of frailty, preferably using validated clinical…

…risk factor treatment and lifestyle modification reduce the burden of recurrent coronary risk. Nutritional counselling, smoking cessation, blood pressure and lipid management, and diabetes care…

…are components of the myocardial contractile apparatus and are expressed predominantly in cardiac muscle. Troponin I is highly specific for myocardial injury. Interpretation of troponin…

…over 40 years of age, atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma…

…function and the development of myocardial fibrosis. Contractile dysfunction further aggravates the regurgitation (the regurgitation volume increases). Mechanically, wall stress (the load on individual muscle…

…on the ECG as increased amplitudes of the QRS complexes. The explanation is straightforward: myocardial muscle mass is increased and therefore it generates greater electrical…