…of the vessel beyond the occlusion when the patent donor artery is injected. The collateral circulation therefore has both physiological importance and procedural relevance. The…

…short; they typically disappear within minutes after a total occlusion in a coronary artery occurs (then of course, the ST segment will be elevated). T…

…abnormalities. Assessment of wall motion abnormalities is particularly important in the setting of chronic or acute coronary artery disease. All types of ischemia– chronic, acute…

…with CAD. The pathophysiology of refractory angina is heterogeneous. In obstructive CAD, symptoms may result from extensive or diffuse epicardial disease, chronic total occlusion, incomplete…

…progression of native coronary artery disease. The chronic total occlusion is an important predictor of incomplete anatomical revascularization with PCI. PCI of chronic total occlusion…

…main coronary artery disease . It integrates multiple variables, including the number of lesions, their location, and specific characteristics such as bifurcations, chronic total occlusions (CTOs…

…20 minutes . Check the plasma sodium and the clinical response. The bolus can be repeated, usually up to a total of three boluses, if severe…

…chronic thromboembolic obstruction, or a range of miscellaneous conditions. Because several mechanisms may coexist, diagnosis and classification must integrate haemodynamics with the patient’s clinical…

…total of 4 6 mEq/L in 24 hours may be targeted. Chronic Hyponatremia ( 48 hours duration): Due to cellular adaptations, rapid correction carries the…

…the acute setting ; nasal masks and total face masks are alternatives in intolerance. A hydrocolloid dressing for the bridge of the nose applied before the…