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Summary The ECG Made Easy, ISBN: 9780702046414 Medicine (Internal medicine) R50,00
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Summary The ECG Made Easy, ISBN: 9780702046414 Medicine (Internal medicine)
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Easy to read simplified conduction disorders notes .The time to Ace your exams is now !!

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  • No
  • Conduction disorders
  • June 1, 2021
  • 7
  • 2020/2021
  • Summary

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conduction Disorders



conduction disorders in a de L BB (Bundle Blanch Blocks)
-




Conduction the distal parts of the bundle bunch
problems in
•




•
conduction Piiblems in AV node 4 His bundles

,Introduction
Conduction
•




of the excitation delayed can be or blocked at
any point
This is mind
•




Think
easy
to
analyse AVjustnode keep the conduction
system in
your
.




SA node His bundle → BB
of
•
→ →




SA nude !! ! !
In all that follows depolarization begins normally in to


Rhythm best inkiplekd lead which shows
of the heat Ecg the P wave
any
•
is
plum
-




This head / Lead V1
is
usually 11
•




CONDUCTION DISORDERS IN AV NODE & HIS BUNDLE
'i
NB !
,




•
PR interval shows time taken
for
the
spread of depolarization from
SA node → ventricular muscle
-

It is not > 220ms ( 0,22s )
-


not mole than small
5
squalls
FIRST DEGREE HEART BLOCK CAV block)

PR interval ventricles)
is
prolonged ( Due to
delay of impulse from got node to
• -




causes
of
1st
degree Heart block
disease mitral valve
conning alley surgery
i. 5.

2. acute rheumatic carditis
Digoxin amivddlonl
3.
toxicity , BB ,
CCB ,

4.
Electrolyte imbalance




1.
9 small squalls : 01048 ✗ 9 =
0,36s =
360mg
.

• RR inlet Vals sunt
i. > 220ms / 0,225



15 15 15 Example 2
- i I f l l l - / 1 I - n ' l ' T - 1 I 1 / 1 1 , I t h
- i i - e i 1 I - y , , , , ,




"




,
, , , ,
y ,




PR interval =
7- squalls ⑦✗ 0,04 small squalls)
=
280ms =
0,28s

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