ECG

Question 1

What are the inferior leads?

Answer 1

II, III, aVF

2-3 feet

Question 2

Anterior leads?

Answer 2

V1, V2

1 dick, 2 tits on the anterior

Question 3

Septal leads

Answer 3

V3, V4

3-4 boogers in the nasal symptom

Question 4

Anterior-septal leads?

Answer 4

V1-V4

Question 5

Lateral leads?

Answer 5

I, aVL, V5, V6

1 hand w 5-6 fingers

Question 6

1. Is this shit sinus?
   - Look for the P; if there is a P wave, there is a sinus rhythm. Best place to look for lead 2 and V1. If there is, it is a sinus rhythm and it excludes MANY rhythms. “you always want to put the P in the V1

Question 7

ST segment elevation in V2, V3, V4, V5 and V6 corresponds to _________

Answer 7

Antero(septal) lateral STEMI

Question 8

what is this?

Answer 8

WPW syndrome (wolf-Parkinson White): slight upslanting delta wave of the QRS wave

Tx: Procainmide

Question 9

Answer 9

A-fib: no P waves (II, v1); irregularly irregular (in irregular intervals, it is irregular)

Question 10

Answer 10

A-flutter: no p-waves (II, v1), “sawtooth” pattern

Question 11

Answer 11

Hypokalemia: LARGEEEEE U wave

Question 12

How can we tell the difference between hyperkalemia and STEMI?

Answer 12

Hyperkalemia: peaked T-wave “sharp at the top”; someone just grabbed the T-wave and pulled it up.

STEMI: more round/blunted bc S-T is elevated

Question 13

Answer 13

Prolonged QRS d/t TCA toxicity

Treat: bicarb

Question 14

Answer 14

Pericarditis:

Diffuse ST-elevation in ALL leads (red)

Diffuse PR- depression (blue)

Question 15

Answer 15

Multifocal atrial tachycardia: (fast HR d/t atrium, originating from different areas):

3+ different looking P waves associated w/ lung disease (COPD, sarcoidosis)

Question 16

What is the PR interval?

Answer 16

Distance from begining of P wave -> begining of QRS.

Question 17

What do we see in a 1st degree AV block?

Answer 17

- Prolonged PR intervals (>200ms/5 boxes)

Question 18

2nd degree AV blocks can be…

Answer 18

• 1. Mobitz 1 (Wenkebach)
• 2. Mobitz 2

Question 19

What does a 2nd degree AV block (Wenkeback/Mobitz 1) look like?

Answer 19

Progressively long PR intervals (PR >200ms), then a QRS segment is dropped.

“longer, longer, longer DROP, that is a Wenkebach”

Question 20

What does a 2nd degree AV block (Mobitz 2) look like?

Answer 20

• Prolonged PR >200 (WITHOUT GETTING PROGRESSIVELY LONGER) => QRS drop.
• Like a type 1, without a drop.

Question 21

What is a 3rd degree AV block?

Answer 21

Atria and ventricles are contracting INDEPENDTLY; both work and squeeze.

Finding:

• - Constant P-P intervals
• - Constant Q-Q intervals
• however, bc they are independent of one another, the P waves can be burried in QRS complex

Question 22

What sx do people with AV block experience?

Answer 22

• Bradycardia
• Dizziness
• Syncope