Pulse rate in adult person
The pulse rate in adult person was found to be 40bpm . Which of the following conditions is less likely to be observed (T/F)
a) Hypothyroidism
b) Athletic bradycardia
c) Hemorrhage
d) Sleeping
e) Awake state
Answer
a. F
b. F
c. T
d. F
e. T
Discussion
Causes of sinus bradycardia
- Hypothermia,
- Hypothyroidism,
- Cholestatic jaundice
- Raised intracranial pressure
- Treatment with beta- blocker , digitalis
- Carotid sinus syndrome
- Trained athletes
- Sick sinus syndrome
Heart blocks
- First degree heart block
- Second degree heart block
Mobitz type I (Wenckebach)
Mobitz type 2
2:1 / 3:1 type
- Third degree heart block ( complete heart block
- Bundle branch block
- In hemorrhage initially heart rate increase through baroreceptor reflex .But later heart rate reduces