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ECG > 150 ECG cases > Flashcards

150 ECG cases Flashcards

1
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Sinus rhythm with ventricular extrasystoles

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2
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Old inferior MI
Needs long term treatment with aspirin and statin
An excercise test will be best way of deciding whether he has coronary disease that merits angiography

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3
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Complete (3rd degree heart block)

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4
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Acute anterior MI

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5
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6
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Junctional (AVN reentry) tachycardia)

Terminated by manouvres that lead to vagal stimulation: valsalvas manouevre, carotid sinus pressure or immersion of the face in cold water.
If these are unsuccessful, IV adednosine should be given bolus injection. Adenosine has short half life, but can cause flushing. If adenosine proves unsuccessful, verapamil 5-10mg given by bolus injection will usually restore sinus rhythm. Otherwise DC cardioversion is indicated.

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7
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Anterolateral ischemia

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8
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13
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14
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Acute inferior MI

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15
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32
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37
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38
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Left anterior hemiblock criteria:
* Left axis deviation
* qR in lead I, aVL (left lateral leads –> small wave, large R wave)
* rS in lead II, III, aVF (inferior leads –> small r wave, large S wave)

Mobitz type 2: PR interval is constant than sudden drop in QRS complex

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39
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40
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41
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42
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43
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44
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45
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47
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47
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47
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AFib: no visible P waves (oscillating waveform in V1)

Left anterior hemiblock criteria:
* Left axis deviation
* qR in lead I, aVL (left lateral leads –> small wave, large R wave)
* rS in lead II, III, aVF (inferior leads –> small r wave, large S wave)

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48
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49
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50
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51
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54
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55
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RBBB: classical RSR’ in lead V2-V3

Mobitz type 2 second degree heart block: same prolonged PR interval than sudden non conduction of P wave

Left anterior hemiblock criteria:
* Left axis deviation
* qR in lead I, aVL (left lateral leads –> small wave, large R wave)
* rS in lead II, III, aVF (inferior leads –> small r wave, large S wave)

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56
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57
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58
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61
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62
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Left anterior hemiblock criteria:
* Left axis deviation
* qR in lead I, aVL (left lateral leads –> small wave, large R wave)
* rS in lead II, III, aVF (inferior leads –> small r wave, large S wave)

63
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64
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Dominant S wave in V1 (right sided AP): S wave represents the basal depolarization (going upwards to left ventricle base –> away from V1 –> hence strong negative deflection)

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73
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RSR’ pattern in V6

74
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RBBB: RSR’ in V2-V3

Left anterior hemiblock criteria:
* Left axis deviation
* qR in lead I, aVL (left lateral leads –> small wave, large R wave)
* rS in lead II, III, aVF (inferior leads –> small r wave, large S wave)

mobitz type 2 second degree heart block with 2:1 AV block (same PR interval and widened QRS complex –> block is below the AVN)

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83
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RCA occlusion (supplies medial part of inferior wall and septum)
ST elevation in lead III > lead II
Presence of reciprocal ST depression in lead I
Signs of right ventricular infarction: STE in V1 and V4R

84
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85
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Adenosine is an AVN blocker: if Afib it will block the exit pathway for the accessory pathway and the AFib will be carried to the ventricle inducing VFib

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110
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Multifocal ventricular extrasystole: as each PVC is different morphology

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ECG (15 decks)

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