Below you can find some common examples. ECGs can be magnified by clicking on the image....

Ischemia & Myocardial Infarction

 
An overview of the coronary arteries. LM = 'Left Main' = mainstem; LAD = 'Left Anterior Descending' artery; RCX = Ramus Circumflexus; RCA = 'Right Coronary Artery'.

Guess the culprit coronary artery that was occluded in these examples of myocardial infarctions

examples of myocardial infarctions

Arrhythmias Cases

A 45 year old female presents at the first heart aid with chest complaints...
Case provided by Kees-Jan Royaards, MD
Wide complex tachycardia: ventricular or supraventricular? ...
Case provided by Kees-Jan Royaards, MD
Myocardial infarction or not? ...
Case provided by Kees-Jan Royaards, MD
Conduction trouble ...
Case provided by Kees-Jan Royaards, MD
Sinus rhythm or not? ...
Case provided by JSSG de Jong, MD
A patient presented with a broad complex tachycardia...
Case provided by

Electrolyte Disorders

Miscellaneous

Click on the text below the ECG for the answers. Click on the ECG for enlargement of the ECG itself...

Rhythm Puzzles

2009

An Unexpected Narrow QRS Complex
A 95-year-old woman presents with palpitations. She has no relevant medical history and the present complaint is several days old...
Case provided by A.A.M. Wilde
An Irregular Heart Beat
A 71-year-old female patient presents to your outpatients clinic with an irregular heart rhythm. The complaints started a few weeks ago and seem to worsen...
Case provided by A.A.M. Wilde
Syncope in an Old Lady
An 83-old-female patient presents to your outpatient clinic with a history of syncope. It has occurred three times in the last few months and there were no specific triggers...
Case provided by A.A.M. Wilde

2008

Wide QRS Complexes in the Setting of Acute Myocardial Infarction: Good News or Bad?
A 57-year-old man collapsed after one hour of angina symptoms in the presence of the alarmed ambulance personnel. He had never had any complaints...
Case provided by N.J.W. Verouden, R.J. de Winter, A.A.M. Wilde
Just an Ordinary Flutter?
A 44-year-old male presented with palpitations. His medical history was otherwise uneventful and the family history revealed pacemaker...
Case provided by A.A.M. Wilde, J. Hrudova, J.G.M. Tans
Wide Complexes Intervening Regular Sinus Rhythm - 3
A 73-year-old man presents with palpitations (irregular heartbeat). There is no medical history. Physical examination reveals no abnormalities...
Case provided by A.A.M. Wilde
Wide Complexes Intervening Regular Sinus Rhythm - 4
A 55-year-old male without cardiac history is complaining of an irregular heartbeat. Physical examination and an echo reveal no abnormalities...
Case provided by A.A.M. Wilde
The ECG of a Cardiomyopathy - 2
A 36-year-old male comes to your outpatient clinic because of his family history. His father died suddenly at age 43 and his brother died suddenly at age 39...
Case provided by A.A.M. Wilde

2007

Wide Complexes Intervening Regular Sinus Rhythm - 2
A 38-year-old male patient presents with palpitations. He is not suffering from syncope or dizziness and has no other complaints...
Case provided by A.A.M. Wilde
Palpitations after a MAZE Procedure
A 75-year-old lady presented with palpitations. Her medical history reveals cardiac surgery with a mitral valve repair combined...
Case provided by A.A.M. Wilde, H.H.D. Idzerda
Abnormal Repolarization, Spot Diagnosis?
A boy with a birth weight of 3.030 g was born by caesarean section at 33 weeks of gestation because of bradycardia and severe...
Case provided by A.A.M. Wilde, N.A. Blom
An Irregular Rhythm at Older Age
An 86-year-old man presents in your outpatient clinic with stable angina pectoris (NYHA 2/4). There is no further medical history...
Case provided by A.A.M. Wilde
Palpitations all the Time
A 14-year-old girl complained of palpitations that occurred numerous times a week. There were no special triggers and, usually...
Case provided by A.A.M. Wilde, M. Cuppen, J.L.R.M. Smeets
Five Years of Palpitations
A 43-year-old man came to the outpatient clinic for preventive cardiovascular (CV) screening. During the last five years he...
Case provided by N.M. Panhuyzen-Goedkoop, L.R.C. Dekker, A.A.M. Wilde
An Abnormal ECG?
A 47-year-old lady presents with an ‘abnormal ECG’. In her family three daughters suffer from a long-QT syndrome type 2...
Case provided by A.A.M. Wilde

2006

Right You Are
A 63-year-old female was referred to our outpatient clinic with symptoms of palpitations. These had been occurring in paroxysms...
Case provided by T.A. Simmers, A.A.M. Wilde
Should I be Worried?
A 34-year old man comes to your office. He has read in a newspaper about the familial occurrence of sudden death. He suffered a...
Case provided by A.A.M. Wilde, H.L. Tan
A Pre-excited Wide QRS Complex: is That all There is?
A 28-year-old male was referred because of an abnormal ECG. He was having occasional palpitations. His family history is unremarkable...
Case provided by A.A.M. Wilde, L.R.C. Dekker
An Old Lady with Chest Pain
A 90-year-old lady presented with chest pain which had a sudden onset in the middle of the night. There were no other symptoms...
Case provided by A.A.M. Wilde
Palpitations and Dizziness in a 65-Year-Old-Man
A 65-year-old male presented with palpitations and dizziness of sudden onset, without any associated chest pain or other symptoms...
Case provided by A.A.M. Wilde
A Narrow QRS Complex Tachycardia Sensitive to Isoptin
A 54-year-old man presented with palpitations. He had no other symptoms. Physical examination revealed, with the exception of a...
Case provided by A.A.M. Wilde, R.H. Bakker
And What About the ECG?
A 63-year-old lady presented with episodic chest pain without specific triggers (in particular no relation with exercise)...
Case provided by A.A.M. Wilde, R.H.J. Peters
Palpitations Again, Have a Closer Look
An otherwise healthy 57-year-old lady presented with palpitations without dizziness. The symptoms had been present for a couple...
Case provided by A.A.M. Wilde, L.R.C. Dekker
Wide Complexes Intervening Regular Sinus Rhythm
A 28-year-old, wheelchair bound, female patient with Friedreich’s ataxia presents with an irregular heartbeat...
Case provided by A.A.M. Wilde

2005

ECG puzzle: Appearances Can be Deceiving
A 61-year-old male was referred with symtoms of exertional dyspnoea and palpitations. He had suffered an anterior myocardial...
Case provided by T.A. Simmers
Where Do the Extras Come From?
A 64-year-old man had an inferior myocardial infarction ten years ago. Lately he has been having palpitations with occasional dizziness...
Case provided by A.A.M. Wilde, R.B.A. van den Brink
The Turtle and the Hare
An otherwise healthy 32-year-old male was referred with palpitations. Attacks had been occurring monthly for several years...
Case provided by A.A.M. Wilde, R.B.A. van den Brink
Now You See it, Now You Don't
An otherwise healthy 66-year-old male was referred with complaints of central chest pain. He was not on any medication...
Case provided by T.A. Simmers, A.A.M. Wilde
It's Not What You Think it Is
A 20-year-old male is having palpitations. They occur without a specific trigger, although episodes are sometimes related to...
Case provided by A.A.M. Wilde, R.B.A. van den Brink
One is Enough, Two is Too Many
An otherwise healthy 24-year-old man was referred to our hospital because of drug refractory spells of palpitations accompanied by dizziness...
Case provided by A.A.M. Wilde, R.B.A. van den Brink
The ECG of a (Cardio)myopathy?
A 33-year-old lady visited the cardiologist because of the sudden death of her brother at age 35. He died while watching TV...
Case provided by A.A.M. Wilde, Y.M. Pinto
The Ions Have It
A 46-year-old male was admitted to our emergency room with dyspnoea. His medical history included congestive heart failure with a left ventricular ejection
Case provided by T.A. Simmers, A.A.M. Wilde

2004

A fainting lady with some extrasystoles
A 30-year-old woman presents with repeated syncope. Her symptoms started a few months ago without a particular trigger...
Case provided by A.A.M. Wilde and H. Tan
Syncopated Rhythm
A 65-year-old woman was admitted because of recurrent syncope. Her complaints were difficult to interpret due to mental...
Case provided by L.R.C. Dekker, R. Tukkie
An Irregular Rhythm at Older Age
An 86-year-old man presents in your outpatient clinic with stable angina pectoris (NYHA 2/4). There is no further medical history...
Case provided by A.A.M. Wilde
I Think a Niece of Mine was Referred to a Neurologist
In the setting of family screening, an 84-year-old lady was invited for a cardiogenetic evaluation. Two of her grandchildren...
Case provided by A.A.M. Wilde, T.A. Simmers
Just One Collapse During Soccer
A 14-year-old boy died suddenly while playing soccer. He was in the middle of a sprint when he suddenly succumbed...
Case provided by A.A.M. Wilde, T.A. Simmers
Tachycardia Terminated by Adenosine
A 27-year-old female was referred to the emergency room with rapid palpitations...
Case provided by I.C.D. Westendorp, G.S. de Ruiter, L.V.A. Boersma, E.F.D. Wever
Nightly Phenomena, Day Time Work?
In 2002, an a trial demand inhibited (AAI) pacemaker was implanted in a young male (born 1984) because of a primary arrhythmia disorder.
Case provided by R. Tukkie, R. Rienks, A.A.M. Wilde

Case reports by W.G. De Voogt, MD, PhD

Case: what kind of block?
This Holter registration shows pauses.
Case provided by W.G. De Voogt, MD, PhD
Case: a slow heart rate
This ECG shows pauses in the heart rhythm.
Case provided by W.G. De Voogt, MD, PhD
Case: a pause in the heart rate
This tracing shows a pause in the heart rhythm.
Case provided by W.G. De Voogt, MD, PhD
Case: fever with arrhythmias
This is a tracing of a 52 year old male, with viral infection and high fever (40° C), who was admitted to the...
Case provided by W.G. De Voogt, MD, PhD

Case reports from the ICBA

Fusion beats
Sinus bradycardia, Second degree 2:1 AV block with LBBB in the conducted beats and junctional escape beats with RBBB morphology and fusion beats that mimic normal intraventricular conduction.
Case provided by Dr. Alberto Giniger
LBBB and RBBB
Sinus rythm, 2:1 AV block with RBBB in the left part of the EKG and after a 1:1 conducted beat with LBBB the 2:1 AV block continues with LBBB. So it is a bilateral branch block.
Case provided by Dr. Alberto Giniger
Fusion beats
Sinus rythm, high degree AV block, conducted beats with RBBB and ventricular escape beats with LBBB image. Some fusion beats mimic no intraventricular disturbance confundinc as normal conducted beats.
Case provided by Dr. Alberto Giniger
Escape beats
Sinus rythm, high degree AV block with unional escape beats and capture beats with RBBB.
Case provided by Dr. Alberto Giniger
Orthodromic tachycardia in WPW
AV orthodromic tachycardia (WPW syndrome).
Case provided by Dr. Alberto Giniger
Ventricular tachcyardia
Ventricular tachycardia or idioventricular rythm during sinus tachycardia with fusion beats.
Case provided by Dr. Alberto Giniger
Escape rhythm with RBBB pattern

Case provided by Dr. Alberto Giniger
Escape rhythm with LBBB pattern
Escape rhythm with left bundle branch block pattern and likely retrograde conducted P waves.
Case provided by Dr. Alberto Giniger
Intermittent pre-exitation
Intermittent pre-exitation
Case provided by Dr. Alberto Giniger
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Advanced Cases

For more advanced cases see: