238).SINUS ARRHYTHMIA

[Editor]

238).SINUS ARRHYTHMIA

a) is associated with p waves of varying shapes in the ECG
b) is associated with variable R-R intervals
c) is most marked during breath holding
d) is more marked at 70 years of age than 20 years of age
e) is more marked during exercise than at rest

[Editor]

mark wrote:

238).SINUS ARRHYTHMIA

a) is associated with p waves of varying shapes in the ECG
b) is associated with variable R-R intervals
c) is most marked during breath holding
d) is more marked at 70 years of age than 20 years of age
e) is more marked during exercise than at rest

f t f f f

Sinus arrhythmia is characterised by a normal P-QRS-T complex and varying PR intervals. Is more marked during inspiration, healthy young individuals and at rest.