…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…

…thrombus formation and sympathetic activation. Rho kinase may increase vascular smooth muscle sensitivity to calcium by inhibiting myosin phosphatase activity. Patients with VA are generally…

…coronary atherosclerosis without plaque rupture, coronary artery spasm, coronary microvascular dysfunction (encompassing endothelial dysfunction, smooth muscle cell dysfunction, and dysregulation of sympathetic innervation), coronary embolism…

…of myocardial injury Important causes include: Mechanism or clinical setting Examples Acute coronary atherothrombosis Plaque disruption or erosion with thrombosis Reduced myocardial perfusion Coronary spasm…

…clinical practice report muscle symptoms. This discrepancy reflects, at least in part, the nocebo effect : negative expectations, contextual cues and attribution of pre existing symptoms…

…muscle rupture causes abrupt severe MR. Its typical presentation is: Sudden severe dyspnoea. Acute pulmonary oedema. Hypotension. Progressive heart failure. Cardiogenic shock. Complete transection of…

Procedurer A dislocation is reduced with muscle relaxation, not with force. The methods that work best exploit time, gravity and slow movement; those that fail…

ECG Troponin is a protein complex expressed in cardiac and skeletal muscle. The complex consists of troponin I (TnI) , troponin C (TnC) and troponin T…

…older people with lost muscle mass (where a normal BMI may conceal sarcopenia), in oedema and ascites, and in people under 18 years of age…

…with a low muscle mass — the elderly, the undernourished, amputees, patients with hepatic cirrhosis — creatinine based eGFR substantially overestimates renal function. Staging of chronic kidney…

…Effects • Clevidipine is a dihydropyridine L type calcium channel blocker. Clevidipine is highly selective for vascular smooth muscle cells and has little or no effect…

…Nicardipine inhibits the influx of extracellular calcium in the myocardial and peripheral vascular smooth muscle cell membranes, thus inhibiting the contraction of smooth muscle cells…

…and venous filling may be reduced. Other possible findings include muscle stiffening and loss of deep tendon reflexes. Pulses are absent distal to the obstruction…

…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…

…twisted counterclockwise. The twisting contraction is called circumferential shortening (Figure 2C). Figure 2A 2C. The orientation of myocardial muscle fibers results in longitudinal, radial and…

…calcifications that break through the intimal layer, provoking localized thrombosis. This is predominantly observed in older patients with heavily calcified, tortuous vessels [2] . Regardless of…

…rotating) motion of the entire left ventricle. Basal segments rotate clockwise, and the apex rotates counterclockwise. This rotating, or twisting, contraction is called circumferential shortening…

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

…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…

[calc_mdrd] The Modification of Diet in Renal Disease (MDRD) equation for estimating the Glomerular Filtration Rate (eGFR) is: eGFR = 175 × (Scr)^ 1…

…Nicardipine inhibits the influx of extracellular calcium in the myocardial and peripheral vascular smooth muscle cell membranes, thus inhibiting the contraction of smooth muscle cells…

…cigarette smoking, hypertension and diabetes mellitus—disturb endothelial function and favour the accumulation of fat, smooth muscle cells, fibroblasts and extracellular matrix beneath the endothelium…

…through changes in DNA acetylation. Lipid lowering efficacy Bempedoic acid is available as a single daily dose of 180 mg. The LDL C response varies…

…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…

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

…increases inotropy and chronotropy by elevating intracellular cyclic adenosine monophosphate (cAMP) and calcium, as well as through the direct activation of voltage sensitive calcium channels…

…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…

…Muscle strengthening exercise should additionally be performed on at least 2 days each week. Activities need not be undertaken in bouts of at least 10…

…a young age in the patient or family Hypertensive first degree relatives of patients with PA Patients with hypokalaemia may develop weakness, muscle cramps or…

…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…

…a genetic mutation in the RYR1 receptor, resulting in persistent muscle contraction upon administration of halogenated anesthetic agents. As an idiosyncratic response to substances such…

…increased sweating, and muscle fatigue. Although this is a subjective measure, it provides a fairly good estimate of the actual workload. The perceived exertion may…

…as follows: Sympathetic activity causes constriction of the veins, which increases the venous return to the heart. Contracting muscles function as a pump that propels…

…Nicardipine inhibits the influx of extracellular calcium in the myocardial and peripheral vascular smooth muscle cell membranes, thus inhibiting the contraction of smooth muscle cells…

…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…

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

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

…Causes of mitral stenosis Rheumatic heart disease Congenital mitral stenosis Calcification of the mitral valve Complications to radiation therapy Mucopolysaccharidosis Carcinoid tumor Systemic lupus erythematosus…

…The ECG grid. The x axis represents time and y axis represents amplitude of the electrical signals generated in the myocardium. The same ECG grid…

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

…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…

…are common in myocardial ischemia and infarction. These conditions may be seen as signs of ischemia, which is why one must be familiar with them…

…ceiling of care. Signs of a serious condition Finding Significance : : Inability to speak in full sentences Marked work of breathing Use of accessory respiratory muscles…

…volume status, including signs of both hypovolaemia and venous congestion. 4. Take an urgent panel: creatinine, urea, sodium, potassium, bicarbonate or blood gas, calcium, phosphate…

…calm, quiet in the chest and stopped struggling may be about to stop breathing. Diminishing wheeze means improvement only if air entry, speech, work of…

…informed about the stress dosing rules and about the symptoms of adrenal insufficiency. Prophylaxis during longer corticosteroid treatment Risk Action : : Osteoporosis Calcium and vitamin D…

…and monitors, one who assesses and documents muscle function. Define the outcome measure before the test. Measure the size of the ptosis in millimetres, the…

Procedurer The value of the exercise test lies not in ST depression alone but in the overall picture : exercise capacity, symptoms, blood pressure response, heart…

…and the lower tip of the muscle insertion. 3. Stretch the skin with the thumb and index finger, or compress the muscle in a slim…

…posterior approach is preferable: it passes through muscle without major vessels or nerves, and the landmark — the posterior corner of the acromion — is easy to…

…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…

…discontinuation of medication may become appropriate. Frailty is potentially reversible. Management should therefore include consideration of treatable contributors, such as underlying comorbidities, supervised muscle strengthening…

…anxiety Depression or psychological distress Loss of confidence in resuming normal activity Difficulty returning to work or recreational exercise Frailty or loss of muscle mass…

…AV nodal refractoriness. Its electrophysiologic effects on the His Purkinje system and ventricular muscle are minimal, except in cases of toxic concentrations. In most patients…

…develop through papillary muscle displacement, annular dilatation, or both; progressive ventricular remodeling may also occur in primary valvular disease. Increasing severity of mitral regurgitation is…

…obstruction: Buttock, hip or thigh symptoms suggest aortoiliac disease. Calf symptoms are typical of femoropopliteal disease. More distal disease may cause foot symptoms, although lower…

…Table 1. Causes of aortic regurgitation Bicuspid aortic valve Rheumatic heart disease Calcified aortic valves Idiopathic aortic dilatation (aneurysm) Hypertension Aortic dissection, proximal Marfan syndrome…

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