26 träffar

ArticleMyocardial ischemia and infarction
Stent Thrombosis: Timing, Causes, Diagnosis, and Prevention

…temporal relationship to stent implantation should always be specified. Coronary arterial thrombi are predominantly platelet rich because they form under high shear conditions. Disruption of…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…identification of its etiology, severity (Table 2), and temporal onset. Distinguishing between acute and chronic hyponatremia, based on the rapidity of onset, is of paramount…

ArticleEchocardiography
M-mode (motion mode) echocardiography

…its temporal and axial resolution is very high, as compared with 2D echocardiography. M mode is useful for quantifying the mobility of structures and measuring…

ArticleCardiology
Management of bradycardia (bradyarrhythmia)

…cases with intermittent symptoms, it is important to establish a temporal correlation between symptoms and episodes of bradyarrhythmia on ECG recordings. Normal heart rate and…

ArticleConduction defects
Overview of atrioventricular (AV) blocks

…AV) blocks , subdivided according to the degree of block. First , second and third degree AV block may all be diagnosed using the ECG. First degree…

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…instability. Evaluation and physical examination The objective of decongestion is clinical euvolemia rather than an isolated numerical change in weight. Assessment should integrate the history…

ArticleEchocardiography
Relaxation of the left ventricle

…enabling synchronization of left and right ventricular contraction. Rapid impulse conduction is crucial; slow spread of the impulse results in temporal dissociation of cellular activation…

ArticleEchocardiography
Two-dimensional (2D) echocardiography

… frame rate, and thus temporal resolution, can be increased by reducing image depth or reducing the width of the sector. To achieve the highest resolution…

ArticleMyocardial ischemia and infarction
Periprocedural Myocardial Infarction After PCI and CABG

Myocardial ischemia and infarction Definition and pathophysiology Periprocedural myocardial infarction (MI) is myocardial necrosis temporally related to coronary revascularization. It may follow percutaneous coronary intervention…

ArticleCardiology
Post-Infarction Pericarditis and Dressler Syndrome

…ischemia and infarction Definition and pathophysiology Post infarction pericarditis encompasses two temporally and clinically distinct complications of acute myocardial infarction (AMI): Early infarct associated pericarditis…

ArticleArrhythmias and arrhythmology
Atropine: Dosing in Bradycardia and Its Limitations

…symptomatic bradycardia, temporary or permanent pacing may be required. However, transcutaneous pacing in the setting of cardiac arrest has not demonstrated clear benefit. Long term…

ArticleMyocardial ischemia and infarction
Intravascular Imaging: IVUS and OCT for PCI Optimisation

…principal advantage is tissue penetration, generally allowing assessment several millimetres beyond the lumen and visualization of the external elastic membrane (EEM). IVUS is consequently useful…