Abnormal sinus
rhythm
- -
TACHYCARDIA BRADYCARDIA
-
-
* fast heart rate : > 500 bpm * slow heart rate : < 60 bpm
* in creasedbody temperatur / feuer * in athlete s due to large - and stronger cardiacmuscu ! ature
H large stroke Volume Output per beat
-
↳ in creuse of 10hpm / in crease of body temperaturen by 10 Fahrenheit
↳ feedback circvlatoryreflex.es at rest cause bradycardia
i) in crease of 18 bpm / in crease Of body temperatur e by 10 Celsius
b) f-ever increases metabolic rate of sinus node increasedex citation stimulation
→ * vagal
* sympathetic stimulation of the heart ↳ parasympathetic effect due to acetylcholine release at vagalendings in the heart
↳ bloodloss cavses sympathetic reflex for compensation ↳ carotid sinus syndrome : sensitive barorecep-torselicitbarorecep.to reflex
↳ sympathetic reflex to main ta in biood distribution
↳ Sometimes stop the heart for 5- 10 Seconds
weakening of my ocardium cavses
-
* toxic conditions
SINUS ARRYTHMIA \
( ardio tachometer : records du ration of the intervall between QRS complex es
↳ by heightof Spikes
-- --
normal breathing deep breathing
± 5% difference I 30% difference
* alte red strength of sympaithetic and para sympathetic nerve signals to sinus node
* spill over of Signals from medulla ry respiratory center into adja cent motor center
↳ causes increaseldecrease in sympathetic and para sympathie Impulses
rhythm
- -
TACHYCARDIA BRADYCARDIA
-
-
* fast heart rate : > 500 bpm * slow heart rate : < 60 bpm
* in creasedbody temperatur / feuer * in athlete s due to large - and stronger cardiacmuscu ! ature
H large stroke Volume Output per beat
-
↳ in creuse of 10hpm / in crease of body temperaturen by 10 Fahrenheit
↳ feedback circvlatoryreflex.es at rest cause bradycardia
i) in crease of 18 bpm / in crease Of body temperatur e by 10 Celsius
b) f-ever increases metabolic rate of sinus node increasedex citation stimulation
→ * vagal
* sympathetic stimulation of the heart ↳ parasympathetic effect due to acetylcholine release at vagalendings in the heart
↳ bloodloss cavses sympathetic reflex for compensation ↳ carotid sinus syndrome : sensitive barorecep-torselicitbarorecep.to reflex
↳ sympathetic reflex to main ta in biood distribution
↳ Sometimes stop the heart for 5- 10 Seconds
weakening of my ocardium cavses
-
* toxic conditions
SINUS ARRYTHMIA \
( ardio tachometer : records du ration of the intervall between QRS complex es
↳ by heightof Spikes
-- --
normal breathing deep breathing
± 5% difference I 30% difference
* alte red strength of sympaithetic and para sympathetic nerve signals to sinus node
* spill over of Signals from medulla ry respiratory center into adja cent motor center
↳ causes increaseldecrease in sympathetic and para sympathie Impulses
