ECG-2017 Flashcards by Hyunsoo CHO

Q

145 (2)

A

P-pulmonale.

short R wave @ V1-V3

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Q

163 (2)

A

AV block - 3rd degree - junctional excape rhythm.

MI - Hyperacute - Inferior, Posterior

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Q

168 (4)

A

pacemaker in LV

RAD

AV block - 2nd degree - Mobitz 2 or higher

RVH (QRS@III>QRS@II>QRS@I, R/S>1@V1)

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Q

174 (3)

A

AV block - 2nd degree - Mobitz 1 (prolonged PR interval)

LAD (-30)

short R waves @ V1-V3

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Q

178 (1)

A

pre-excitation - WPW (short PR and wide QRS)

type A (Kent bundle @ L. side, upward delta @ V1-V3)

cf. WPW type B (Kent bundle @ R. side, downward delta @ V1-V3)

LGL (short PR and normal QRS)

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Q

184 (5)

A

P-pulmonale

LAD (-30)

LVH

PVC

MI - Ischemia - Anteroseptal

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Q

189 (1)

A

RBBB

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Q

192 (2)

A

Atrial flutter (4:1 passage)

LAD

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Q

195 (3)

A

Sinus tachycardia

MI - Hyperacute - Inferior, Lateral (only ST elevation)

MI - Acute - Posterior (ST elevation + pathological Q)

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Q

197 (1)

A

?

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Q

202 (5)

A

sinus rhythm

+ trifascicular block

(AV block - 1st degree

RBBB

LPHB (RAD))

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Q

203 (6)

A

sinus bradycardia

trifascicular block

(AV block - 1st degree

RBBB

LPHB (RAD))

RVH (QRS@III>QRS@II>QRS@I, R/S>1@V1)

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Q

206 (2)

A

AV block - 1st degree

RVH

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Q

211 (3)

A

Junctional tachycardia (P wave is after QRS complex - accelerated (cf. 40-60/BPM)

LAD

LAHB

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Q

214 (2)

A

atrial tachycardia through 2:1 block

LVH

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Q

216 (3)

A

AV block - 2nd degree - Mobitz 1

MI - Old (only pathological Q waves) - Inferior

LVH

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Q

220 (3)

A

ventricular bigeminy (allorhythmia)

P-mitrale

LVH

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Q

ECG signs of MI

(1. ischemia - 2. injury - 3. necrosis)
2. injury

ST depression - ? lesion, ? mm

ST elevation - ? lesion, ? mm

A

injury

ST depression - subendocardial lesion,

less than 1mm in chest leads,

less than 0.5mm in limb leads

ST elevation - subepicardial lesion,

more than 2mm in chest leads,

more than 1mm in limb leads

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Q

223 (1)

Study These Flashcards

A

MI - Acute - Anterior

Q

229 (4)

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A

AV block - 2nd degree - Mobitz 1

LAD

LBBB

PVC

Q

what can cause LAD?

Study These Flashcards

A

LBBB

Inferior MI

LVH

WPW

LAHB

Q

what can cause RAD?

Study These Flashcards

A

RVH

Lateral MI

LPHB

Q

231 (1)

Study These Flashcards

A

pericarditis

Widespread concave ST elevation and PR depression throughout most of the limb leads (I, II, III, aVL, aVF) and precordial leads (V2-6).

Reciprocal ST depression and PR elevation in lead aVR (± V1).

Q

233 (1)

Study These Flashcards

A

ventricular tachycardia

237 (2)

sinus bradycardia WPW (not AMI)

242 (2)

MI - Subacute - Inferior LAD

246 (2)

Multifocal Atrial Tachycardia (MAT) RVH

248 (3)

sinus bradycardia interpolated VPC (sandwiched between 2 conducted sinus beats) - trigeminy MI - Subacute - Inferior

254 (3)

sinus bradycaria LVH Wellens syndrome

Wellens syndrome

- ECG manifestation of critical proximal _LAD coronary artery stenosis_ in patients with _unstable angina_ - characterized by symmetrical, often **deeply (\>2mm) inverted, or biphasic T wave** in the anterior precordial leads

261 (2)

dual pacemaker (atrium and ventricle) PVC @ aVR, aVL, aVF

266 (4)

Atrial fibrillation LVH LAHB low R @ V1-V3

270 (1)

AV block - 1st degree

275 (3)

atrial tachycardia VPC low R @ V1-V3

277 (2)

bradycardia (35 BPM) AV block - 2nd degree - 2:1 block

282 (3)

atrial fibrillation PVC **Digitalis!**

Digitalis toxin

blocks Na+/K+ ATPase increased Ca2+ in cells -\> easiily contracted muscle **scooped ST**

287 (2)

sinus bradycardia (no atrial flutter because there is P wave) LVH \* bumpy baseline artifact; not atrial fibrillation!

293 (1)

atrial flutter (2:1)

298 (2)

sinus bradycardia MI - Acute - Inferior

304 (1)

MI - Acute - Inferior, Posterior

311 (4)

LAD LVH P-mitrale PVC (because normal sinus)

318 (1)

MI - Acute - Extensive Anterior (Anterolateral)

321 (2)

MI - Subacute - Anterior P-mitrale

325 (5)

Multifocal Atrial Tachycardia (MAT) PVC LVH LAHB MI - Subacute - Anterior