LEAD the Way
Mind Your Ps & Qs
Achy Breaky Heart
What's taking so long?
PotPourri
100

Triaxial diagram

Leads I, II, and III joined at the middle

100

A normal PR Interval 

0.12 - 0.20 seconds

100



Asystole

100


Wenckebach

100

Flight or Fight

Sympathetic nervous system

200

The six leads placed on the patients chest

Precordial Leads

200

What you count to determine Heart Rate

R to R Interval

200


Ventricular Tachycardia

200


SR with 1st AV block

200

S2, the second heart sound, reflects the closure of these

Aortic & pulmonic valve

300

V1 is placed here

Fourth Intercostal space, right sternal boarder

300

Represents ventricular repolarization on the ECG

T wave

300

Trigeminy

300



2:1 Heart Block

300

Returns deoxygenated blood to the right atrium from the lower chest and abdomen

Inferior Vena Cava

400

Used for accessing rhythms with wide QRS complexes, and can pinpoint abnormalities in ventricular conduction

MCL

400

The flat line between the T wave of one beat and the P wave of the next beat

Basline / isoelectric line

400


Agonal

400


3rd Degree Heart Block

400

The outermost layer of the heart

Epicardium

500

Einthoven's Law

Lead I + Lead III + Lead II

500

In this period, a strong stimulus will result in depolarization

Relative refractory period

500


Ventricular Fibrillation

500


2nd degree type II, Mobitz II

500

This separates the right and left ventricle

Interventricular septum