Lecture 24: Clinical Cases - ECG Focus Flashcards
1
Q
What can cause sinus tachycardia?
A
Pregnancy Emotion Anxiety Fear Exertion
2
Q
What can cause sinus bradycardia?
A
Response to sleep apnea Medication MI Increased ICP Hypothyroid
3
Q
What is a premature beat?
A
Irritable focus spontaeneously fires
- atrial
- junctional
- ventricular
4
Q
What is a premature atrial contraction associated with?
A
Stress Alcohol Tobacco Coffee COPD CAD
5
Q
What is a premature ventricular contraction associated with?
A
Stress Hypoxia Drugs Heart Failure AMI Ischemic Heart Disease Cardiomyopathy Electrolyte disorder
6
Q
What is ventricular tachycardia?
A
Abnormal premature ventricular contractions (PVCs)
- no-sustained
- wide
- can be tachycardic
7
Q
What can cause ventricular tachycardia?
A
CAD Heart failure Hypertrophic cardiomyopathy Congenital Heart Disease Electrolyte Abnormalities
8
Q
What is supraventricular tachycardia?
A
Narrow complex with fast HR
- can’t see P wave (merges w/ T wave)
- more normal with children
9
Q
What can cause supraventricular tachycardia?
A
Thyroid Disease
Caffeine
Medication with stimulants
Stress
10
Q
What is atrial fibrillation?
A
Atrial muscles not contracting, which can develop clot
- rhythm is irregularly irregular
- no proper P wave
- irregular QRS complex
11
Q
What can cause atrial fibrillation?
A
Hypertensive Heart Disease Valvular Heart Disease CHF CAD Obesity and diabetes Metabolic syndrome Chronic Kidney Disease
12
Q
What is a first AV block?
A
Prolonged PR interval
