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Spirometry

Procedurer Spirometry is the only investigation that distinguishes obstructive from restrictive impairment of lung function, and COPD cannot be diagnosed without it . The quality of…

🟠 Left ventricular diastolic function

…relaxation (grade 1 dysfunction) Pseudonormal (grade 2 dysfunction) Reversible restrictive filling (grade 3 dysfunction) Irreversible restrictive filling (grade 4 dysfunction) E/A ratio 1–2…

Blood transfusion and massive haemorrhage

…care 70 g/L Known cardiovascular disease, postoperatively after cardiac surgery 80 g/L Acute coronary syndrome 80 g/L; a higher threshold may be…

Lung function and respiration

…normal (traditionally < 0.70). A restrictive pattern: a reduced TLC — this cannot be established with spirometry alone, but is suspected when the FVC is…

Cardiac amyloidosis

…Despite congestive heart failure, a third or fourth heart sound is rarely heard due to restrictive pathophysiology and impaired ventricular relaxation [10]. There is also…

Echocardiography in cardiomyopathies: an overview

…cardiomyopathy (Dilated Cardiomyopathy, DCM) . Arrhythmogenic Right Ventricular Cardiomyopathy / Dysplasia (ARVC/ARVD) Restrictive Cardiomyopathy (RCM ) Takotsubo cardiomyopathy (broken heart syndrome, apical ballooning syndrome). Non compaction cardiomyopathy

Constrictive pericarditis: definition, causes, diagnosis & echocardiography

…the pericardium can be measured and in most cases, a thickening is noted. Table 1 presents the similarities and differences between restrictive cardiomyopathy and constr

Dilated Cardiomyopathy (DCM): Definition, Types, Diagnostics & Treatment

…fraction is reduced). Left ventricular diastolic function may be normal or exhibit a restrictive pattern (increased E/A ratio and rapid deceleration time; see Diastolic…

Dix–Hallpike test and Epley manoeuvre

…Retinal detachment. Relative: Marked cervical restriction of movement or pain — use the Semont manoeuvre or the side lying variant of the Dix–Hallpike test. Marked…

Cardiac Tamponade: Recognition and Pericardiocentesis

…medicine Procedurer Definition and Pathophysiology Cardiac tamponade is a life threatening clinical syndrome in which increased intrapericardial pressure compresses the heart and impairs ventricular filling…

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