L'ECG est un élément essentiel de la démarche diagnostique de la syncope du sujet âgé. Cette présentation passe en revue les principales anomalies rencontrées et celles à côté desquelles il ne faut pas passer !
3. Brignole M, et al. Eur Heart J. 2018;39(21):e43-e80.
Syncope
4. Brignole M, et al. Eur Heart J. 2018;39(21):e43-e80.
Syncope
5. in real-time in those with suspecte
and effective directed therapy in
syncope.44
The mean age of trial p
Other characteristics of participant
middle or older age, frequent injury
demonstrated a reduction in recu
ILR-guided therapy ie. pacemaker i
bradyarrhythmia.44
Fifty per cent of th
syncope had asystole during symptom
In the ISSUE-3 trial, patients who were I
episode) but had negative tilt tests, had
pacing with a 5 % recurrence of sync
of those who were ILR positive and ac
syncope at 2 years, when those with
were included.45,46
The study raised q
asystole in the older pacemaker grou
age-related conducting tissue disease
Arrhythmia
Cardiac structural disease
Neurally mediated syncope
Orthostatic hypotension
Caseswithsyncope(%)
Age group (years)
<40 40–60
0
20
40
60
80
100
>60
Figure 3: Causes of Syncope by Age21
With permission from BMJ Publishing Group Ltd.21
Parry SW, Tan MP. BMJ 2010;340:c880.
34. Bloc AV 2:1 à QRS larges et PR < 200 ms (Mobitz 2>>1)BAV II
35. BAV & Risque de syncope
Taboulet P. AFMU 2014
P-R constant ≥ 200 ms BAV I
PP réguliers
≥ 2 P bloquées
BAV haut degré
(infranodal)
Dissociation entre P
et complexes QRS
BAV III
(infranodal)
P-R croissant
Jusqu’à P bloquée
BAV II Mobitz 1 (Wenckebach)
(supranodal ou nodal)
P-R constant
P bloquée parfois
BAV II Mobitz 2 (Hay)
(infranodal)
P-R constant
raPo P/QRS = 2
BAV 2/1
(infranodal)
PP PP PP PP
RR RR
BAV I PR>240 ms
BAV II Mobitz 1
BAV II 2/1
BAV II Mobitz 2
BAV Haut-grade
BAV III
89. Tachycardie
Axe droit à hyperdroit
QRS larges (bizarres)
Onde R’ (terminale) > 3 mm
aVR = Rapport R’/S > 0,7
Disparition onde p (tardive)
Na+-Bloqueurs ECG
100. QRS WIDE?
Terminal R
in aVR
TCAs
V-tach
Bidirectional
V-tach
Torsade
Na channel
blockers
Digoxin
Methadone
Bradycardia?
β Blockers
Ca channel
blockers
Digoxin
QT
prolongation
Dig effect
Yes No
Yes No Yes No
Algorithme
104. Pace-Maker en quelques chiffres…
En France…
> 40.000 nouveaux stimulateurs/an
≈ 7000 changements/an
≈ 1,5 millions porteurs
Stimulation ventricule droit +++
3 fabriquants
Medtronic™
Guidant™ Boston Scientific®
St Jude Medical™