IDENTIFIY THE RHYTHM IN MORE DETAIL - SINUS TACHYCARDIA Flashcards
1
Q
WHAT IS SINUS TACHYCARDIA?
A
CARDIAC RHYTHM THAT HAS BEEN INITIATED BY THE SINOATRIAL (SA) NODE.
2
Q
HOW TO RECOGNISE SINUS TACHYCARDIA?
A
- APPROPRIATELY PLACED P WAVES BEFORE THE INITIATED QRS COMPLEX.
- QRS COMPLEX EQUAL DISTANCE APART
- NEGATIVE P WAVES IN AVR
- POSITIVE P WAVES IN I AND II
3
Q
KEY TO CHARACTERIZING SINUS TACHYCARDIA IS THE HEART RATE.
WHAT WILL THE HR BE?
A
OVER 100
4
Q
CAUSES OF SINUS TACHYCARDIA - PHARMACOLOGICAL CAUSES.
A
- BETA-AGONISTS
- SYMPATHOMINETICS
- ANTIMUSCARINICS
- OTHER CAUSES
5
Q
CAUSES- PHARMACOLOGICAL
WHAT BETA-AGONISTS CAN CAUSE SINUS TACHYCARDIA >
A
ADRENALINE
SALBUTAMOL
6
Q
CAUSES - PHARMACOLOGICAL
WHAT SYMPATHOMIMETICS CAUSE SINUS TACHYCARDIA
A
AMPHETAMINES
7
Q
CAUSES- PHARMACOLOGICAL
WHAT ANTIMUSCARINICS CAUSE SINUS TACHYCARDIA?
A
ANTIHISTAMINES
ATROPINE
8
Q
CAUSES - PHARMACOLOGICAL
WHAT OTHER CAUSES CAUSE SINUS TACHYCARDIA?
A
CAFFEINE
THEOPHYLLINE
9
Q
CAUSES - NON PHARMACOLOGICAL
A
- EXERCISE
- PAIN
- ANXIETY
- HYPOVOLEMIA
- HYPOXIA , HYPERCARBIA
- ANAEMIA
- INFECTION
- ACIDAEMIA
- PULMONARY EMBOLISM
- CARDIAC TAMPONADE
- TENSION PNEUMOTHORAX
- ALCOHOL WITHDRAWAL
