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[[Image:KJcasus9.jpg|thumb|left|700px| The ECG]] Try to interprete this ECG using the 7+2 step method

[[File:E000188.jpg|thumb|600px|left|ECG 54 A - Uitlezing Confirm - Multifocale VT's (Gedilateerde CMP - TPM1 gen)]] [[File:E000189.jpg|thumb|600px|left|ECG 54 B - Uitlezing Confirm - Multifocale VT's (Gedilateerde CMP - TPM1 gen)]]

'''ECG 1:'''<br/> '''ECG 2:'''<br/>

...late potentials can show up. Such a recording is called a Signal Averaged ECG (SAECG). ! Criteria for late potentials on a signal averaged ECG <cite>simson</cite><cite>Breithardt</cite>

[[Image:nsr.png|thumb| A short ECG registration of normal heart rhythm (sinus rhythm)]] ...'' will be presented. This is followed by the interpretation of the normal ECG according to the 7+2 step plan:

==Wellens ECG== [[File:wellens.png|thumb|right|A 12 lead Wellens' ECG]]

ECG IN COMPLETE TRANSPOSITION OF GREAT ARTERIES

This ECG shows pauses in the heart rhythm. The patient felt light headiness ...uestion is difficult. An atrial rhythm can be the result of SA block. This ECG however cannot produce the proper answer. The use of beta-blockers for inst

The ECG is in sinus rhythm and the QRS is markedly widened with a QRS duration of 2 When presented as a puzzler the correct interpretation of this ECG was not received, only suggestions of ventricular bigemini where given.

# [[The ECG of a Cardiomyopathy - 2]] # [[An Abnormal ECG?]]

baseline ECG is normal (not shown). He was asked to Upon presentation during an attack the ECG

...Holter]] (and therefore it is written with a capital H). It is a portable ECG recorder (sometimes called a '''portable loop recorder''') which usually re ...in patients with paroxysmal arrhythmias, in whom registration on a single ECG has not succeeded. A 24 hours registration shows the frequency and type of

[[Image:ECGpapier.png|thumb|300px| The width of a square on the ECG represents time]] ...n; however, the method for determining the frequency remains the same. The ECG has a grid with thick lines 5 mm apart (= 0,20 second) and thin lines 1 mm

except for a relatively slow heart rate (45 beats/min). Her ECG is presented in figure 1. The interpretation of the ECG is rather straightforward. The ventricular rhythm is slow (≤40 beats/

'''Question: There are five extra beats on this ECG. What is the origin?'''

[[File:E000026.jpg|thumb|600px|left|ECG 1 - Tombstone Elevaties]]

[[File:E000390.jpg|thumb|600px|left|ECG 2 - SCM]]

...exclude cardiac disease. It is necessary therefore to compare new ECG with ECG's made in the past. ...cation, but may also be hereditary. Comparison of a previous ECG with new ECG may provide the clue.

[[File:E000029.jpg|thumb|600px|left|ECG 4 - Acute LAD Laesie]]

[[File:E000256.jpg|thumb|600px|left|ECG 19 - LQTS Type 3]]

[[File:E000077.jpg|thumb|600px|left|ECG 41 - Acuut AS-Infarct]]

[[File:E000494.jpg|thumb|600px|left|ECG 89 - Incompleet Trifasculair Blok]]

[[File:E000185.jpg|thumb|600px|left|ECG 51 A - Belhassen VT]]

[[File:E000331.jpg|thumb|600px|left|ECG 47 - AAI-pacing + LQTS]]

[[File:E000149.jpg|thumb|600px|left|ECG 25 - AVJunctional Escape Ritme]]

[[File:E000028.jpg|thumb|600px|left|ECG 3 - Recente LAD Laesie]]

[[File:E000079.jpg|thumb|600px|left|ECG 43 - Ischaemie Inferior - Lateraal]]

[[File:E000090.jpg|thumb|600px|left|ECG 54 - Acute Hoofdstam Laesie]]

[[File:E000207.jpg|thumb|600px|left|ECG 63 - Totaal AV-Blok]]

[[File:E000169.jpg|thumb|600px|left|ECG 42 - Afib + Hypertofische LV]]

[[File:E000228.jpg|thumb|600px|left|ECG 74 - VT uit RVOT]]

[[File:E000141.jpg|thumb|600px|left|ECG 17 - SR + Accessoire Bundel]]

[[File:E000080.jpg|thumb|600px|left|ECG 44 - Ischaemie Inferior - Lateraal]]

[[File:E000187.jpg|thumb|600px|left|ECG 53 - Afib + Bifasculair Blok]]

[[File:E000462.jpg|thumb|600px|left|ECG 81 - VT (Basaal-Septaal)]]

[[File:E000151.jpg|thumb|600px|left|ECG 27 - Torsade Des Pointes]]

[[File:E000245.jpg|thumb|600px|left|ECG 10 - PM Lead Dislocatie]]

[[File:E000070.jpg|thumb|600px|left|ECG 34 - Acuut ASL Infarct]]

[[File:E000068.jpg|thumb|600px|left|ECG 32 - Acute Hoofdstam Stenose]]

[[File:E000247.jpg|thumb|600px|left|ECG 12 - Genetische-Hypertrofische CMP]]

[[File:E000410.jpg|thumb|600px|left|ECG 53 - LVH + Strain Pattern]]

[[File:E000047.jpg|thumb|600px|left|ECG 17 - Acute LAD Laesie]]

[[File:E000232.jpg|thumb|600px|left|ECG 77 - SR + LBTB + Escapeslag]]

[[File:E000176.jpg|thumb|600px|left|ECG 46 - VT (obv Ischaemie)]]

[[File:E000084.jpg|thumb|600px|left|ECG 48 - Acuut IP-Infarct]]

[[File:E000470.jpg|thumb|600px|left|ECG 85 - SR + Mobitz 2]]

[[File:E000344.jpg|thumb|600px|left|ECG 51 - Brugada Type 2]]

[[File:E000057.jpg|thumb|600px|left|ECG 24 - Oud OWI + Afib]]

[[File:E000471.jpg|thumb|600px|left|ECG 86 - VT uit RVOT]]

[[File:E000518.jpg|thumb|600px|left|ECG 61 - Acute LAD-leasie]]

[[File:E000345.jpg|thumb|600px|left|ECG 52 - Katz-Wachtel Symptoom]]

[[File:E000104.jpg|thumb|600px|left|ECG 60 Acute RCX Laesie]]

[[File:E000178.jpg|thumb|600px|left|ECG 48 - Totaal AV-blok]]

[[File:E000283.jpg|thumb|600px|left|ECG 29 - LQTS (onbekend type)]]

[[File:E000058.jpg|thumb|600px|left|ECG 25 - Tri-Vats Lijden]]

[[File:E000203.jpg|thumb|600px|left|ECG 59 - VT na VWI]]

[[File:E000389.jpg|thumb|600px|left|ECG 1 - Smal Complex Tachycardie]]

'''Q: What condition most likely explains the changes in this ECG?'''

[[File:E000112.jpg|thumb|600px|left|ECG 3 - AFL Met Wisselend Blok]]

[[File:E000165.jpg|thumb|600px|left|ECG 39 - AF Met Trage Volgfreq]]

[[File:E000138.jpg|thumb|600px|left|ECG 14 - SB + Korte PQ-tijd]]

[[File:E000254.jpg|thumb|600px|left|ECG 17 - Brady + Rate Drop Response]]

[[File:E000208.jpg|thumb|600px|left|ECG 64 - Bifasculair Blok + Intraventr. Geleidingsvertraging]]

[[File:E000045.jpg|thumb|600px|left|ECG 15 - Ischaemie Inferior - Anterior - Lateraal]]

[[File:E000131.jpg|thumb|600px|left|ECG 8 - Incompleet Tri-fasculair Blok]]

[[File:E000210.jpg|thumb|600px|left|ECG 66 - Extreme LBTB + Gedil. CMP]]

[[File:E000437.jpg|thumb|600px|left|ECG 64 - Acute Dissectie Type A]]

[[File:E000083.jpg|thumb|600px|left|ECG 47 - Acuut Anterior - Lateraal Infarct]]

[[File:E000098.jpg|thumb|600px|left|ECG 58 - Status Na Recidiverende Infarcten]]

[[File:E000281.jpg|thumb|600px|left|ECG 27 - Gedilateerde LV - Geen Coronairlijden]]

[[File:E000156.jpg|thumb|600px|left|ECG 31 - Eerste Graads AV Blok]]

[[File:E000249.jpg|thumb|600px|left|ECG 14 - Pacing + AF na Hisablatie]]

[[File:E000085.jpg|thumb|600px|left|ECG 49 - Acuut Antero-Septaal Infarct]]

[[File:E000157.jpg|thumb|600px|left|ECG 32 - Traag AVJunctional Escape Ritme]]

[[File:E000034.jpg|thumb|600px|left|ECG 8 - (Oude) Inferior & Anterior Laesies]]

[[File:E000213.jpg|thumb|600px|left|ECG 69 - ST + LBTB + LA-Hypertrofie]]

[[File:E000445.jpg|thumb|600px|left|ECG 67 - Reanimatie-setting obv Longembolie]]

[[File:E000087.jpg|thumb|600px|left|ECG 51 - Acuut Anterior-Lateraal Infarct]]

[[File:E000160.jpg|thumb|600px|left|ECG 34 - Anticus Blok]]

[[File:E000148.jpg|thumb|600px|left|ECG 24 - SB + LBTB]]

[[File:E000139.jpg|thumb|600px|left|ECG 15 - Sustained VT]]

[[File:E000078.jpg|thumb|600px|left|ECG 42 - Acuut OWI]]

[[File:E000089.jpg|thumb|600px|left|ECG 53 - Lateraal Infarct]]

[[File:E000239.jpg|thumb|600px|left|ECG 5 - HOCM + RBTB]]

[[File:E000044.jpg|thumb|600px|left|ECG 14 - Oud OWI]]

[[File:E000081.jpg|thumb|600px|left|ECG 45 - Hoofdstam Stenose]]

[[File:E000071.jpg|thumb|600px|left|ECG 35 - Acuut VWI]]

[[File:E000142.jpg|thumb|600px|left|ECG 18 - SVT + WPW]]

[[File:E000082.jpg|thumb|600px|left|ECG 46 - Septaal Infarct]]

[[File:E000072.jpg|thumb|600px|left|ECG 36 - Acuut OWI]]

[[File:E000193.jpg|thumb|600px|left|ECG 56 - U-Golf]]

[[File:E000211.jpg|thumb|600px|left|ECG 67 - Belhassen VT]]

[[File:E000248.jpg|thumb|600px|left|ECG 13 - Hypertrofische CMP]]

[[File:E000056.jpg|thumb|600px|left|ECG 23 - Hoofdstam Stenose]]

[[File:E000074.jpg|thumb|600px|left|ECG 38 - Acuut OWI]]

[[File:E000049.jpg|thumb|600px|left|ECG 19 - Oud OWI]]

[[File:E000145.jpg|thumb|600px|left|ECG 21 - AVJ Ritme]]

[[File:E000075.jpg|thumb|600px|left|ECG 39 - Acuut OWI]]

[[File:E000146.jpg|thumb|600px|left|ECG 22 - SR + LBTB]]

[[File:E000086.jpg|thumb|600px|left|ECG 50 - Acuut OWI]]

[[File:E000234.jpg|thumb|600px|left|ECG 1 - Biventriculair Pacing]]

[[File:E000137.jpg|thumb|600px|left|ECG 13 - AVJ Ritme]]

[[File:E000076.jpg|thumb|600px|left|ECG 40 - Hoofdstam Stenose]]

[[File:E000204.jpg|thumb|600px|left|ECG 60 - Bifasculair Blok]]

[[File:E000421.jpg|thumb|600px|left|ECG 58 - SVT bij Tetralogie van Fallot]]

[[File:E000088.jpg|thumb|600px|left|ECG 52 - Acuut OWI + Nodaal Escape Ritme]]

[[File:E000523.jpg|thumb|600px|left|ECG 64 - Acute LM-leasie + Dominante RCA]]

[[File:E000524.jpg|thumb|600px|left|ECG 66 - RCA-laesie + CKMB-top 9]]

[[File:E000030.jpg|thumb|600px|left|ECG 5 - M.I. - Gedilateerde LV - 14% EF]]

[[File:E000170.jpg|thumb|600px|left|ECG 43 - Boezemtachycardie + 3-1 Blok + RBTB]]

[[File:E000246.jpg|thumb|600px|left|ECG 11 - SR met LA & LV Hypertrofie]]

[[File:E000046.jpg|thumb|600px|left|ECG 16 - Oud OWI - Ischaemie Anterior - Lateraal]]

[[File:E000143.jpg|thumb|600px|left|ECG 19 - SR + Accessoire Bundel + LBTB-configuratie]]

[[File:E000133.jpg|thumb|600px|left|ECG 10 - Extreem 1e Graads AV-blok]]

[[File:E0003180.jpg|thumb|600px|left|The ECG tracing when set to VVI mode]]

[[File:E000212.jpg|thumb|600px|left|ECG 68 - Extreme LBTB bij Gedil. CMP]]

[[File:E000177.jpg|thumb|600px|left|ECG 47 - Sustained VT obv Oud Infarct]]

[[File:E000164.jpg|thumb|600px|left|ECG 38 - AFL met 3-1 Blok]]

[[File:E000059.jpg|thumb|600px|left|ECG 26 - NSTEMI + Terminaal Negatieve T-toppen]]

[[File:E000064.jpg|thumb|600px|left|ECG 28 - OWI]]

[[File:E000205.jpg|thumb|600px|left|ECG 61 - RBTB]]

[[File:E000206.jpg|thumb|600px|left|ECG 62 - RBTB]]

[[File:E000393.jpg|thumb|600px|left|ECG - Digoxine Intoxicatie]]

[[File:E000140.jpg|thumb|600px|left|ECG 16 - AVNRT]]

[[File:E000186.jpg|thumb|600px|left|ECG 52 - Asystolie]]

[[File:E000150.jpg|thumb|600px|left|ECG 26 - AVNRT]]

[[File:E000394.jpg|thumb|600px|left|ECG - SR + Wenkebach]]

[[File:E000255.jpg|thumb|600px|left|ECG 18 - Brugada]]

[[File:E000463.jpg|thumb|600px|left|ECG 82 - Atriumflutter]]

[[File:E000436.jpg|thumb|600px|left|ECG 63 - Monoventrikel]]

[[File:E000132.jpg|thumb|600px|left|ECG 9 - AVNRT]]

[[File:E000244.jpg|thumb|600px|left|ECG 9 - Pericarditis]]

[[File:E000411.jpg|thumb|600px|left|ECG 54 - Brugada]]

[[File:E000233.jpg|thumb|600px|left|ECG 78 - VT]]

[[File:E000238.jpg|thumb|300px|right|ECG 4 - Tako-Tsubo]]

[[File:E000136.jpg|thumb|600px|left|ECG 12 - AVNRT]]

[[File:E000147.jpg|thumb|600px|left|ECG 23 - VT]]

[[File:E000235.jpg|thumb|600px|left|ECG 2 - Afib + Intraventriculaire Geleidingsvertraging - Abnormale Repolarisat

[[File:E000168.jpg|thumb|600px|left|ECG 41 - SR + LBTB + 1e Graads AV-blok]]

[[File:E000119.jpg|thumb|600px|left|ECG 6 - AVJunctional Escape Ritme Met Extra Slagen]]

[[File:E000163.jpg|thumb|600px|left|ECG 37 - SB + 1e graads AV-blok + LBBB]]

[[File:E000067.jpg|thumb|600px|left|ECG 31 - Acuut IP-infarct + Totaal AV-blok]]

[[File:E000037.jpg|thumb|600px|left|ECG 10 - Acute RCA Laesie + AVJunctional Escape Ritme]]

[[File:E000097.jpg|thumb|600px|left|ECG 57 - Status Na Groot VWI + Linker Asdraai]]

[[File:E000302.jpg|thumb|600px|left|ECG 37 A - SR + Saddleback ST-T Configuratie]]

[[File:E000048.jpg|thumb|600px|left|ECG 18 - Multiple Infarcten + 1e grds AV Blok]]

[[File:E000253.jpg|thumb|600px|left|ECG 16 - SR + Inc. RBTB + Epsilon Wave (ARVD)]]

[[File:E000386.jpg|thumb|600px|left|ECG 1]]

[[File:E000377.jpg|thumb|600px|left|ECG 1]]

[[File:E000395.jpg|thumb|600px|left|ECG - SVT]]

[[File:E000040.jpg|thumb|600px|left|ECG 12 - RCA Laesie + Totaal Block - AVJunctional Escape Ritme]]

[[File:E000257.jpg|thumb|600px|left|ECG 20 A - Hypertrofische LV + LA-dilatatie + Strain Patroon]]

[[File:E000065.jpg|thumb|600px|left|ECG 29 - Recent VWI - 2-vats Lijden - Apicaal Aneurysma]]

[[File:E000295.jpg|thumb|600px|left|ECG 33 - Gedilateerde, Hypertrofische LV +1e grds AV-blok]]

[[File:E000339.jpg|thumb|600px|left|ECG 49 - Rechter Atrium Hypertrofie +1e graads AV-blok]]

[[File:E000152.jpg|thumb|600px|left|ECG 28 - VF-storm obv Koorts (meerdere ICD-shocks)]]

[[File:E000509.jpg|thumb|600px|left|ECG 94 - Totaal AV-blok Na Re-Bentall O.K]]

[[File:E000144.jpg|thumb|600px|left|ECG 20 A - Totaal Blok Met Ventriculair Escape Ritme]]

[[File:E000073.jpg|thumb|600px|left|ECG 37 - Acuut VWI (LAD Abberant Uit RCC [Right Coronary Cusp] )]]

[[DRJ_Case_1|ECG Case of the Month - (October 2010)]] ...olls.com/external/cardionetworks/what-kind-of-tachycardia-is-shown-on-this-ecg' width='600' height='200'</CSO_iFrame>

[[File:E000050.jpg|thumb|600px|left|ECG 20 - IPL Infarct obv Vasculitis vd Coronairen - Extreme as]]

[[File:E000519.jpg|thumb|600px|left|ECG 62 - Oud IPL- infarct + Opgetrokken ST-segmenten Pre-cordiaal]]

[[File:E000209.jpg|thumb|600px|left|ECG 65 - Inc. Trifasc. Blok bij Myotone Dystrofie (progr. geleid. probl.)]]

[[File:E000069.jpg|thumb|600px|left|ECG 33 - Groot Antero-Septaal Infarct Met Als Gevolg Congestieve CMP]]

[[File:E000282.jpg|thumb|600px|left|ECG 28 - LQTS Type 2 (obv een mutatie in het KCNH2-gen Thr61)]]

[[File:E000316.jpg|thumb|600px|left|ECG 41 - Gedil. CMP + LBTB + Tekenen van LVH (1 - AVL - V4 tm V6)]]

[[File:E000027.jpg|thumb|600px|left|ECG 1 - Tombstone Elevaties]]

[[File:E000589.jpg|thumb|600px|left|ECG 1 - A 64 year old woman with atrial fibrillation and left ventricular hyper

Modern ECG equipment often includes some form of algorithm that performs a computer in ...iltered. This means that the ECG that is printed by the machine is not the ECG that is interpreted by the machine. Therefore one has to be very careful in

<div style="top:+0.2em; font-size:95%;">a free electrocardiography (ECG) tutorial and textbook to which anyone can contribute ,<br /> designed for * [[ECG course|ECG course]]

[[File:E000161.jpg|thumb|600px|left|ECG 35 - PVC's In Bigeminie (chronisch)]]

[[File:E000240.jpg|thumb|600px|left|ECG 6 - Cor Vitium (1 Atrium - 1 Ventrikel)]]

ECG Case of the Month - (January 2011)

ECG Case of the Month - (March 2011)

[[File:E000162.jpg|thumb|600px|left|ECG 36 - PAC's + Compensatoire Pauze]]

ECG Case of the Month - (April 2011) ...me> frameborder='0' src='http://zohopolls.com/external/cardionetworks/this-ecg-shows-intermittent-sinusrhythm-and-an-arrhythmia-what-is-the-arrhythmia-and

ECG Case of the Month - (July 2011)

[[File:E000243.jpg|thumb|600px|left|ECG 8 - Gepaced Ritme + PVC's]]

ECG Case of the Month - (November 2010) ...='http://zohopolls.com/external/cardionetworks/what-rhythm-is-shown-on-the-ecg-and-what-may-be-the-cause' width='600' height='210'</CSO_iFrame>

ECG Case of the Month - (December 2010) ...nal/cardionetworks/what-condition-most-likely-explains-the-changes-in-this-ecg' width='600' height='210'</CSO_iFrame>

[[File:E000113.jpg|thumb|600px|left|ECG 4 - RBTB + Anticus Blok & 1e Graads-AV Blok]]

[[File:E000231.jpg|thumb|600px|left|ECG 76 - SR + PAC's]]

[[File:E000298.jpg|thumb|600px|left|ECG 35 - Mutatie In Natriumkanaal-gen (Gly1743-Gln-SCN5A gen)]]

[[File:E000799.jpg|thumb|600px|left|This is an ECG from a 70 year old woman with severe coronary artery disease and recurrent

[[File:E000066.jpg|thumb|600px|left|ECG 30 - Oud VWI - Pathologische Q's V1-V4 + RBTB]]

[[File:E000031.jpg|thumb|600px|left|ECG 6 - Acute LAD Laesie Met PVC's In Bigeminie]]

[[File:E000155.jpg|thumb|600px|left|ECG 30 - SR + Eerste Graads AV Blok - RBTB + Verschillende PVC's]]

# This ECG was made shortly after this patient had been resuscitated. The patient was

ECG Case of the Month - (May 2011) ..._iFrame> frameborder='0' src='http://zohopolls.com/external/cardionetworks/ecg-of-a-28-year-old-man-with-atypical-chestpain-lead-v3-is-at-v4r-position-wha

...heart beat (pulse deficit 20 beats/min) and no further abnormalities. Her ECG is shown in figure 1 '''How would you judge this ECG?'''

#[http://medstat.med.utah.edu/kw/ecg/ Dr AE Lindsay ECG learning center]

[[File:Icba16.png|600px|thumb|left|Ladder diagram belonging to the above ECG]]

[[File:E000722.jpg|thumb|600px|left|An ECG from a cardiac transplant patient showing sinus rhythm with one PVC, left a

[[File:E000775.jpg|thumb|600px|left|An ECG from a cardiac transplant patient showing sinus rhythm with one PVC, left a

[[File:E000777.jpg|thumb|600px|left|An ECG from a cardiac transplant patient showing sinus rhythm with one PVC, left a

In pericarditis four stages can be distinguished on the ECG: Image:ptadepressieecg.png| The 12 lead ECG of this patient shows PTa depression, but no ST elevation

...mage:Fridericia.png|100px]].<cite>Fridericia</cite> They conclude that the ECG is not a good screening tool to find patients with a short QTc interval at [[File:Sqts.svg|thumb|Precordial ECG tracings of a patient with SQTS]]

...nduction|left bundle branch block (LBBB)]], infarct diagnosis based on the ECG is difficult. The baseline ST segments and T waves tend to be shifted in a ...ey are less specific.<cite>3</cite><cite>4</cite> In the GUSTO-1 trial the ECG criterion with a high specificity and statistical significance for the diag

...the ECG for the '''answers'''. Click on the ECG for '''enlargement of the ECG''' itself... *The ''[[De Voogt ECG Archive]]'' contains > 2000 categorized ECGs

...esults in termination in the slow pathway (terminates with retrograde P on ECG). ==How does an AVNRT show up on an ECG?==

Ethnic differences in ECG parameters are commonly observed. A recent study investigated ethnic differ

'''Q: This ECG shows intermittent sinusrhythm and an arrhythmia. What is the arrhythmia an

<div style="top:+0.2em; font-size:95%;">a free electrocardiography (ECG) course and textbook to which anyone can contribute ,<br /> designed for medical pr * [[ECG course|ECG course]]

[[File:E295.jpg|thumb|600px|left|This is an ECG from a 62 year old man with a low ejection fraction and a Thallium-201 stud

[[Image:12leadLBTB.png|thumb| Left bundle branch Block on a 12 lead ECG.]] ...BTB002.jpg|thumb| Another example of Left bundle branch Block on a 12 lead ECG.]]

ECG characteristics of hyperkalemia, high blood potassium: ECG-characteristics of hypocalcemia, low blood calcium:

[[File:E000600.jpg|thumb|An example of an ECG with sinus arrhythmia. This was a young patient without any symptoms. This

Left and right ventricular hypertrophy can be distinguished on the ECG: To diagnose left ventricular hypertrhophy on the ECG one of the following criteria should be met:

[[Image:KJcasus5.jpg|700px|thumb|left|ECG MI 16. Click on image for enlargement.]] **Compare with the old ECG (not available, so skip this step)

[[Image:ECG_RBTB_LAtrD.jpg|thumb| A 12 lead ECG with right bundle branch block, left axis (LAFB)(and [[P wave morphology|le ...fic definition of RBBB is given by the ACC/ESC consensus document<cite>ESC-ECG</cite>:

[[File:ECG000032.jpg|thumb|300px|right|The ECG of a patient with CPVT in rest is normal]] [[File:ECG000033.jpg|thumb|300px|right|The ECG of the same patient with CPVT during exercise. Asterisks mark polymorphic v

...= WPW pattern + symptoms). Not all patients with a WPW ''pattern'' on the ECG are symptomatic. The prevalence of the WPW or pre-exitation pattern is rela ...ccessory bundle connects are the first to depolarize. This is shown on the ECG as a delta wave. The QRS-complex is somewhat widened (> 0.10 sec). Also the

| caption1 = A Normal ECG ...d I. They are one of the most common causes of right axis deviation on the ECG!

[[File:E0007921.jpg|thumb|600px|left|This is an ECG from a 67 year old man with a low ejection fraction. The patient is followe

[[File:E0003163.jpg|thumb|600px|left|This is an ECG strip and an audio recording from a patient checking his Medtronic VVI pace

...ker one month before. The pacer was programed to VVI mode and AAI mode and ECG recordings were made. Also a PA and lateral chest x-ray was taken. The ques

...logical examinations (X-ray, echo) were without abnormalities. Part of the ECG is shown in figure 1. Only the extremity leads are shown (standard calibrat ms (rate slightly lower than 100 beats/min). The wide intervals on the ECG result from a blocked atrial impulse every fourth beat. The block is at the

except for a relatively slow heart rate (45 beats/min). Her ECG is presented in figure 1.

[[Image:KJcasus6.jpg|700px|thumb|left|ECG MI 17. Click on image for enlargement.]] **Compare with the old ECG (not available, so skip this step)

...echocardiography, 24-h ambulatory Holter monitoring, and exercise testing. ECG Features of cardiac diseases detectable at pre-participation screening in y ...eased with age and level of exercise. In young amateur athletes they found ECG abnormalities in about 7%, a number that rose to 40% in "adult elite athlet

heart failure. The ECG on admission is shown in

[[Image:Brugada.png|thumb|Typical ECG abnormalities in Brugada syndrome: ST elevation in V1-V3, without ischemia. [[Image:Brugada_ecg_characteristics.svg|thumb| Typical ECG abnormalities in Brugada syndrome]]

'''Q: ECG of a 28 year old man with atypical chestpain. (Lead V3 is at V4R position).

[[Image:SSS_ecg_001.jpg|thumb|ECG with Sick Sinus Syndrome. Rapid atrial fibrillation abruptly stops.]]

'''Question: What rhythm is shown on the ECG and what may be the cause?'''

...abnormalities, nor does laboratory investigation or echocardiography. Her ECG is presented: leads II, III, aVF, and V4 to V6

...logical examinations (X-ray, echo) were without abnormalities. Part of the ECG is shown in figure 1. Only the extremity leads are shown (standard calibrat

==ECG algorithms to differentiate wide QRS-complex tachycardias== Several ECG algorithms have been developed to differentiate wide QRS-complex tachycardi

...this knowledge it is quite simple to recognize normal sinus rhythm on the ECG. ...s it is of great importance. Arrhythmias include the most life-threatening ECG abnormalities. In most settings, however, the rhythm will be sinus.

Image:E000549.jpg| Case 2b: ECG from the same patient before the MI occured.

ECG-characteristics:<cite>Wung</cite> ...sion or even elevation in II, III, and AVF) the distal LAD is occluded. An ECG that does not show any ST depression sugggests an occlusion after the origi

[[Image:ami0006.jpg|700px|thumb|left|ECG MI 6]]

||'''ECG Criteria'''||'''Points'''

...dia''' (anterogarde conduction through the abnormal accessory bundle). The ECG shows wide QRS complexes followed by retrograde P-waves. The RP-time is >>

ECG changes typical for digoxin '''use''' (digoxin = Lanoxin) are: ECG changes typical for digoxin '''intoxication''' are:

...ardiologist for medical advice. Physical examination was unremarkable; his ECG is shown in figure 1. An echocardiogram was completely normal.

...od by the RCA. Because no leads "look" at the posterior wall in the normal ECG, no leads show ST-elevation in case of a posterior wall infarction. The ST

[[File:E000603.png|thumb|This ECG shows frequent premature beats from the right ventricular outflow tract]] If more than one VPB is present on the ECG, they can be:

2 ventricular premature beats are also shown in this ECG

The '''Long QT Syndrome (LQTS)''' is characterized on the ECG by prolongation of the [[Conduction#The_QT_interval|heart rate corrected QT File:acquired_longQT.jpg|A 12-lead ECG of a patient with acquired long QT syndrome. Notice the QT prolongation. Th

of a laterally displaced ictus cordis. His 12-lead ECG, shown in figure 1, was in sinus rhythm with some extrasystoles. The electr

...nus node cannot leave the node towards the atria. They are blocked. On the ECG this is expressed as a pause. SA exit block can be distinguished from [[sin

...ial infarction'''. That is why it is critical to recognize ischemia on the ECG in an early stage. ...efore, it may be difficult to estimate the duration of the ischemia on the ECG, which is crucial for adequate treatment.

...hy. BBR VT is extremely rare and this diagnosis is difficult to make on an ECG. However, during an [[EP study|electrophysiologic study]] this diagnosis ca

==ECG - Show== [[File:E000026.jpg|thumb|300px|right|ECG 1 - Tombstone Elevaties]]

of a laterally displaced ictus cordis. His 12-lead ECG, shown in figure 1, was in sinus rhythm with some extrasystoles. The electr the case as shown in figure 2, which is the same ECG

==How do I begin to read an ECG?== [[Image:nsr.png|thumb| A short ECG registration of normal heart rhythm (sinus rhythm)]]

...sociated with a [[Conduction#The_QT_time|long QT interval]] on the resting ECG. Torsade de Pointes is typically initiated by a short-long-short interval. File:Torsades_de_Pointes_TdP.png|12-lead ECG of Torsades de Pointes (TdP) in a 56-year-old white female with a potassium

...metimes atrial fibrillation results in a course atrial flutter wave on the ECG, but the baseline can also be flat. A flat baseline is more often seen in l

[[Category:ECG Course]]