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Paramedic Science > Cardiology > Flashcards

Cardiology Flashcards

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1
Q

Normal PR interval

A

0.120s - 0.200s

5 small squares

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2
Q

Normal QRS interval

A

0.60s - 0.120s

3 small squares

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3
Q

Normal QT interval

A

< 0.440s
11 small squares

<0.470 in patients on antipsychotics

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4
Q

LBBB characteristics

A 
Wide QRS
QS/RS complex in V1
RsR in V6
Negative Slurred S in V6
Appropriate Discordance/Inappropriate Concordance
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5
Q

RBBB characteristics

A

Wide QRS
RsR in V1
Positive Slurred S in V6

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6
Q

Characteristics of WPW

A

Wolf Parkinson White

Short PR
Delta Wave

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7
Q

Hypokalaemia can cause…

A

ST Depression
Flat/Inverted T Waves
U Wave

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8
Q

Hyperkalaemia can cause…

A

Increased PR Interval
Tented T Waves
Wide QRS
Flat P Waves

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9
Q

Hypocalcaemia can cause…

A

Increased QT interval
Increased ST Interval
VF/VT

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10
Q

An R-on-T Polymorphic Tachycardia

A

Torsade-De-Pointes

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11
Q

The 4 LAS Arrhythmia Centres

A

The Brompton 578
St Barts 309
Hammersmith 304
The Heart @ UCH 1030

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12
Q

The LAS 8 24/7 Cardiac Cath Labs

A 
London Chest 580
King's 713
Harefield 178
St Georges 927
Hammersmith 403
The Heart @ UCH 1030
St Thomas' 960
Royal Free 511
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13
Q

Anterior ST Leads and Elevation needed for Cardiac Cath Lab Admission

A

V1-V4
2x 2mm for Male
2x 1.5mm for Female

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14
Q

Posterior ST Leads and Elevation needed for Cardiac Cath Lab Admission

A

V7-V9
2x 0.5mm

Note ST Depression & Tall R Waves in Anterior Leads

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15
Q

Inferior ST Leads and Elevation needed for Cardiac Cath Lab Admission

A

II, II and aVF (inc. posterior leads in R dominant)

2x 1mm

Note Reciprocal changes in I and aVL

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16
Q

Lateral ST Leads and Elevation needed for Cardiac Cath Lab Admission

A

I, aVL, V5-V6

2x 1mm

17
Q

With ST Elevation in Lead III greater than that in lead II, which vessel is likely to be occluded?

A

RCA

18
Q

With ST Elevation in Lead II greater than that in Lead III, which vessel is likely to be occluded?

A

Circumflex

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