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15:29, 17 February 2023 Nikolas talk contribs uploaded File:Flow-volume curve in obstructive disorders.png
15:27, 17 February 2023 Nikolas talk contribs created page File:Flow-volume curve in restrictive disorder.png
15:27, 17 February 2023 Nikolas talk contribs uploaded File:Flow-volume curve in restrictive disorder.png
15:26, 17 February 2023 Nikolas talk contribs created page File:Flow-volume curve.png
15:26, 17 February 2023 Nikolas talk contribs uploaded File:Flow-volume curve.png
15:26, 17 February 2023 Nikolas talk contribs created page File:FEV1 graph.jpg
15:26, 17 February 2023 Nikolas talk contribs uploaded File:FEV1 graph.jpg
15:25, 17 February 2023 Nikolas talk contribs created page File:Static lung volumes.png
15:25, 17 February 2023 Nikolas talk contribs uploaded File:Static lung volumes.png
15:17, 17 February 2023 Nikolas talk contribs created page 40. Atrial or ventricular flutter, atrial or ventricular fibrillation (Created page with "== Atrial fibrillation == Atrial fibrillation (AF, Afib) is the most common supraventricular tachyarrhythmia. It always occurs in both atria at the same time. In Afib the atria contract rapidly but ineffectively and uncoordinatedly. There is no haemodynamically effective contraction and there is turbulence, which predisposes to thrombus formation. === Etiology === * Pressure or volume load of the atria ** Hypertension ** Left-sided heart failure ** Pulmonary embolism *...") Tag: Visual edit
15:07, 17 February 2023 Nikolas talk contribs created page 39. ECG in acute myocardial infarction (Created page with "Acute myocardial infarction (AMI) is characterised by ischaemia and infarction of the myocardium. These pathological processes cause characteristic signs of the ECG that we can use to diagnose it (in addition to cardiac enzymes and symptoms). Most of these signs appear only in the leads that correspond to the where the myocardial infarction occurs. According to the location of the infarct, the following leads often show signs: {| class="wikitable" !Localization of infar...") Tag: Visual edit
14:58, 17 February 2023 Nikolas talk contribs created page 38. Primary and secondary repolarization abnormalities in the ECG (Created page with "On the ECG repolarization is characterised by the ST segment and T-wave. Any abnormality of cardiac repolarization will be seen on the ECG as abnormal ST segments or T-waves. Repolarization abnormalities can be primary or secondary in etiology. A repolarization abnormality is primary if the preceding depolarization (QRS complex) is normal and secondary if the QRS complex is abnormal. == Primary ST segment abnormalities == The J point is the point where the QRS complex...") Tag: Visual edit
14:43, 17 February 2023 Nikolas talk contribs created page File:Types of ST depression.png
14:43, 17 February 2023 Nikolas talk contribs uploaded File:Types of ST depression.png
14:42, 17 February 2023 Nikolas talk contribs created page File:Types of ST elevation.jpg
14:42, 17 February 2023 Nikolas talk contribs uploaded File:Types of ST elevation.jpg
10:33, 17 February 2023 Nikolas talk contribs created page 37. Signs of chronic or acute overload in the ECG (hypertrophy, strain) (Created page with "== Atrial hypertrophy == === Right atrial hypertrophy === The right atrium is rarely hypertrophic. Pressure or volume load almost always causes dilatation and not hypertrophy. ==== Etiology ==== thumb|237x237px|Pulmonary P wave * Pressure load on the atria ** Stenosis of the tricuspid or pulmonary valve ** COPD ** Chronic respiratory failure ** Right ventricular hypertrophy * Volume load on the atria ** Insufficiency of the tricuspid or pulmon...") Tag: Visual edit
10:33, 17 February 2023 Nikolas talk contribs created page File:Lewis-index.png
10:33, 17 February 2023 Nikolas talk contribs uploaded File:Lewis-index.png
10:33, 17 February 2023 Nikolas talk contribs created page File:Sokolow-index.png
10:33, 17 February 2023 Nikolas talk contribs uploaded File:Sokolow-index.png
10:32, 17 February 2023 Nikolas talk contribs created page File:LVH ECG changes 2.png
10:32, 17 February 2023 Nikolas talk contribs uploaded File:LVH ECG changes 2.png
10:32, 17 February 2023 Nikolas talk contribs created page File:LVH ECG changes 1.png
10:32, 17 February 2023 Nikolas talk contribs uploaded File:LVH ECG changes 1.png
10:31, 17 February 2023 Nikolas talk contribs created page File:Deep dominant S wave in RVH.png
10:31, 17 February 2023 Nikolas talk contribs uploaded File:Deep dominant S wave in RVH.png
10:31, 17 February 2023 Nikolas talk contribs created page File:Large R-wave in RVH.png
10:31, 17 February 2023 Nikolas talk contribs uploaded File:Large R-wave in RVH.png
10:30, 17 February 2023 Nikolas talk contribs created page File:Biphasic P 2.png
10:30, 17 February 2023 Nikolas talk contribs uploaded File:Biphasic P 2.png
10:30, 17 February 2023 Nikolas talk contribs created page File:Mitral P.png
10:30, 17 February 2023 Nikolas talk contribs uploaded File:Mitral P.png
10:29, 17 February 2023 Nikolas talk contribs created page File:Biphasic P.png
10:29, 17 February 2023 Nikolas talk contribs uploaded File:Biphasic P.png
10:29, 17 February 2023 Nikolas talk contribs created page File:Pulmonary P.png
10:29, 17 February 2023 Nikolas talk contribs uploaded File:Pulmonary P.png
10:22, 17 February 2023 Nikolas talk contribs created page 36. Forms and consequences of paroxysmal tachycardia (Created page with "A paroxysmal tachycardia is a tachycardia which begins and ends suddenly and violently. Most of these are ''supraventricular'', meaning that the stimulus originates at above the level of the ventricle. We distinguish three types of paroxysmal supraventricular tachycardias: * Atrioventricular re-entry tachycardia (AVRT) * Atrioventricular nodal re-entry tachycardia (AVNRT) * Atrial tachycardia We distinguish two types of paroxysmal ventricular tachycardias: * Ventricu...") Tag: Visual edit
10:20, 17 February 2023 Nikolas talk contribs created page 35. Pre-excitation syndromes (Created page with "In pre-excitation syndromes an accessory conducting fibre is present. This accessory fibre bypasses the normal conduction system and therefore allows the ventricles to be depolarized earlier than normal. There are two important types: * Wolff-Parkinson-White syndrome * Lown-Ganong-Levine syndrome == Wolff-Parkinson-White syndrome == In Wolff-Parkinson-White syndrome (WPW) an accessory conducting fibre is present between the atria and ventricles. This fibre is called t...") Tag: Visual edit
10:19, 17 February 2023 Nikolas talk contribs created page File:WPW syndrome.jpg
10:19, 17 February 2023 Nikolas talk contribs uploaded File:WPW syndrome.jpg
09:39, 17 February 2023 Nikolas talk contribs created page 34. Forms and importance of intraventricular conduction abnormalities (Created page with "Blocks of the conduction system doesn’t happen only at the SA or AV nodes; it can happen in the conduction system inside the ventricles as well. These are called ''intraventricular'' blocks and include: * Right bundle branch block (RBBB) * Left bundle branch block (LBBB) ** Left anterior fascicular block (LAFB) or left anterior hemiblock ** Left posterior fascicular block (LPFB) or left posterior hemiblock File:Conduction system of heart.gif|thumb|336x336px|The wor...") Tag: Visual edit
09:37, 17 February 2023 Nikolas talk contribs created page File:Conduction system of heart.gif
09:37, 17 February 2023 Nikolas talk contribs uploaded File:Conduction system of heart.gif
09:35, 17 February 2023 Nikolas talk contribs created page 33. Supraventricular and a-v junctional blocks (Created page with "The cardiac conduction system goes from the SA node -> atria -> AV node -> His bundle -> Purkinje fibres -> ventricles. Block at the area of the SA node is called SA block while block at the area of the AV node is called AV block. == Etiology == * Ischaemic heart disease ** AMI * Cardiomyopathy * Myocarditis * High vagal tone * Drugs ** Digitalis ** Beta blockers * Electrolyte abnormalities == Sinoatrial block == SA block refers to the impaired impulse conduction from...") Tag: Visual edit
09:35, 17 February 2023 Nikolas talk contribs created page File:AV block.png
09:35, 17 February 2023 Nikolas talk contribs uploaded File:AV block.png
09:34, 17 February 2023 Nikolas talk contribs created page File:Types of SA block.png
09:34, 17 February 2023 Nikolas talk contribs uploaded File:Types of SA block.png
12:27, 16 February 2023 Nikolas talk contribs created page 32. Passive heterotopy. Causes, forms and consequences (Created page with "Passive heterotopy refers to the situation when an ectopic focus takes over as the pacemaker and works at a lower frequency than the SA node. These aren’t pathological rhythms but rather compensatory mechanisms and “safety nets” that take over when the SA node cannot conduct signals properly. There are multiple types of passive heterotopic abnormalities: * Escape beats * Escape rhythms ** Junctional escape rhythms ** Ventricular escape rhythms == Etiology == Som...") Tag: Visual edit