IDENTIFIY THE RHYTHM IN MORE DETAIL - SINUS BRADYCARDIA Flashcards
1
Q
WHAT IS SINUS BRADYCARDIA?
A
REFERS TO A CARDIAC RHYTHM INITIATES BY THE SINOATRIAL (SA) NODE)
2
Q
HOW CAN SINUS BRADYCARDIA BE RECOGNISED?
A
- APPROPRIATLEY PLACES P WAVES BEFORE THEIR INITIATED QRS COMPLEX.
- P WAVES UPRIGHT IN LEAD I AND II
- P WAVES NEGATIVE IN AVR
- QRS COMPLEX EQUAL DISTANCE APART.
3
Q
WHAT WILL THE HEART RATE BE WITH SINUS BRADYCARDIA?
A
BELOW 60
4
Q
CAUSES - PHARMACOLOGICAL
A
5
Q
CAUSES - NON-PHARMACOLOGICAL
A
- NORMAL DURING SLEEP
- INCREASED VGAL TONE (ATHLETES)
- INFERIOR MI
- SINUS NODE DISEASE
- HYPOTHYROIDISM
- HYPOTHERMIA
- ANOREXIA NERVOSA
- ELECTROLYTE ABNORMALITIES
- INCREASED INTRACRANIAL PRESSURE
- MYOCARDITIS
6
Q
CAUSES - PHARMACOLOGICAL
A
- BETA- BLOCKERS
- CALCIUM CHANNEL BLOCKERS
- DIGOXIN
- CENTRAL ALPHA-2 AGONISTS
- AMIODARONE
- OPIATES
- GABA-ERGIC AGENTS
- ORGANOPHOPHATE POISONING
7
Q
WHAT CALCIUM CHANNEL BLOCKERS CAN CAUSE SINUS BRADYCARDIA
A
VERAPAMIL
DILTIAZEM
8
Q
WHAT CENTRAL ALPHA-2 AGONISTS CAN CAUSE SINUS BRADYCARDIA?
A
CLONIDINE
DEXMEDOMIDINE
9
Q
WHAT GABA-ERGIC AGENTS CAUSE SINUS BRADYCARDIA?
A
BENZODIAZEPINES
