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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
12:27, 16 February 2023 Nikolas talk contribs created page File:Ventricular escape rhythm.png
12:27, 16 February 2023 Nikolas talk contribs uploaded File:Ventricular escape rhythm.png
12:26, 16 February 2023 Nikolas talk contribs created page File:Junctional escape rhythm.png
12:26, 16 February 2023 Nikolas talk contribs uploaded File:Junctional escape rhythm.png
12:25, 16 February 2023 Nikolas talk contribs created page 31. Active heterotopic abnormalities (premature beats) (Created page with "A heterotopic disorder of the heart means that something other than the sinoatrial node works as the pacemaker. Active heterotopy means that the heterotopic focus produces stimuli at a higher frequency than the sinus node. The opposite would be passive heterotopy. The following conditions are active heterotopic abnormalities: * Extrasystoles/premature beats * Atrial fibrillation * Atrial flutter * Paroxysmal atrial or ventricular tachycardia The latter three have the...") Tag: Visual edit
12:24, 16 February 2023 Nikolas talk contribs created page File:Ventricular extrasystole.jpg
12:24, 16 February 2023 Nikolas talk contribs uploaded File:Ventricular extrasystole.jpg
12:23, 16 February 2023 Nikolas talk contribs created page File:Premature junctional complex.png
12:23, 16 February 2023 Nikolas talk contribs uploaded File:Premature junctional complex.png
12:21, 16 February 2023 Nikolas talk contribs created page File:Premature atrial contraction.png
12:21, 16 February 2023 Nikolas talk contribs uploaded File:Premature atrial contraction.png
12:19, 16 February 2023 Nikolas talk contribs created page File:Compensatory pause in VES.png
12:19, 16 February 2023 Nikolas talk contribs uploaded File:Compensatory pause in VES.png
12:19, 16 February 2023 Nikolas talk contribs created page File:Lack of compensatory pause in SVES.png
12:19, 16 February 2023 Nikolas talk contribs uploaded File:Lack of compensatory pause in SVES.png
12:16, 16 February 2023 Nikolas talk contribs created page 30. Orthostatic hypotension in the young and the elderly (Created page with "== Physiological response to assuming a standing posture == Going from supine to a standing posture results in 0,5 – 1L of blood pooling in the lower extremities due to gravity. This causes a decrease in venous return to the heart, resulting in a decreased cardiac output and blood pressure. In normal cases, this fall in blood pressure triggers a compensatory reflex which increases sympathetic tone. This reflex is fast and mostly mediated by baroreceptors. The increase...") Tag: Visual edit
12:16, 16 February 2023 Nikolas talk contribs created page 29. Consequences of hypertension (Created page with "All complications and consequences of hypertension are associated with cardiovascular changes. The most common causes of death due to hypertension are: * Central nervous system related ** Stroke * Congestive heart failure * Coronary artery diseases * Chronic renal failure The most important clinical consequences of hypertension are: * Cardiovascular complications ** Left ventricle hypertrophy ** Congestive heart failure ** Aortic dissection ** Ischemic heart disease *...") Tag: Visual edit
12:15, 16 February 2023 Nikolas talk contribs created page 28. Primary hypertension. Characteristics and etiological factors (Created page with "90-95% of all cases of hypertension are primary and idiopathic. Although we don’t know the exact cause we do know some risk factors. == Genetic factors == We know that some genetic factors are involved in primary hypertension. If one person in a pair of identical twins has primary hypertension the chance for the other twin to have it is just 40%. Black populations are more prone to primary hypertension than other populations. == Environmental factors == Several fact...") Tag: Visual edit
12:13, 16 February 2023 Nikolas talk contribs created page 27. Hypertension and the adrenal gland (Created page with "Because the adrenal gland produces mineralocorticoids like aldosterone is it also often involved in secondary hypertension. Conn syndrome, Cushing syndrome, adrenogenital syndrome, pheochromocytoma, acromegaly and thyroid problems all cause secondary hypertension. Let’s see how. == Conn syndrome == Conn syndrome, or primary hyperaldosteronism, increases blood pressure by increased levels of mineralocorticoids. These hormones, especially aldosterone, cause increased sa...") Tag: Visual edit
12:12, 16 February 2023 Nikolas talk contribs created page File:Adrenal steroidogenesis pathway.png
12:12, 16 February 2023 Nikolas talk contribs uploaded File:Adrenal steroidogenesis pathway.png
12:11, 16 February 2023 Nikolas talk contribs created page 26. Role of the kidneys in the development of hypertension. Effects of hypertension on the kidneys (Created page with "Because the renin-angiotensin-aldosterone system depends on the kidneys to produce renin are the kidneys very central in hypertension as well. However, the kidneys also have a system they can use to decrease blood pressure, the ''renal depressor system'' (like in de-pressurising the blood). File:Pressor and depressor system of kidney.png|thumb|376x376px|The two ways the kidney can regulate blood pressure. The “pressor system” here is the renin-angiotensin-aldostero...") Tag: Visual edit
12:11, 16 February 2023 Nikolas talk contribs created page File:Pressor and depressor system of kidney.png
12:11, 16 February 2023 Nikolas talk contribs uploaded File:Pressor and depressor system of kidney.png