Cardio Flashcards
What defines unstable angina?
- New onset in the last 2 weeks
- Increasing severity
- Pain at rest
- Hemodynamic changes with pain
What defines pathologic Q waves?
- I square wide
- 1/3 of the height of the QRS
Is a myocardial rupture/valve rupture an early or late complication of an MI?
Late
“Good” or “Bad” prognosis arrhythmia: mobitz type 1
Good
“Good” or “Bad” prognosis arrhythmia: Mobitz type II
Bad
“Good” or “Bad” prognosis arrhythmia: narrow complex bradycardia
Good
“Good” or “Bad” prognosis arrhythmia: PVCs
Good
“Good” or “Bad” prognosis arrhythmia: persistent tachycardia
bad
“Good” or “Bad” prognosis arrhythmia: non-sustained VT
Good
“Good” or “Bad” prognosis arrhythmia: new LBBB
Bad
What are the complications of an anterior MI? (3)
- CHF/Shock
- Ruptures
- Bad bradycardias
What causes PR prolongation/blocks in MIs (2)?
- AV node ischemia
- Vagal tone
How can you tell a RV infarct based on leads II and III?
If STE is higher in lead III compared to lead II, more likely to be RV infarct
How can you tell a RV infarct based on leads V1 and V2? (2)
- If STE in V1 more than V2
- If STD in V2 and not V1
What is the treatment for a myocardial rupture?
Fluid load and surgery
What is the treatment for an acute VSD 2/2 septal wall rupture?
Unload, IABP, surgery
What is the treatment for a papillary muscle rupture?
Unload, surgery
When do you start lytics on a STEMI pt? (3)
- CP for over 30 minutes, less than 12 hours
- No PCI within 90 minutes
- No contraindications
What are the three broad Sgarbossa criteria?
- If J point on same side as QRS complex
- If J point over 5 mm on opposite side
- J point depression/elevation on the same side
What are the absolute contraindications for thrombolytics as they relate to the head? (4)
- Prior ICH ever
- Ischemic stroke last recently
- Intracranial neoplasm
- Close head or facial trauma
What is the risk of ICH with thrombolytics, generally?
1-2%
What are the indications that a thrombolytic worked (3)?
- Pain reduced
- ST segment lowering
- Reperfusion arrhythmia (accelerated idioventricular rhythm)
How long does accelerated idioventricular rhythm last for, typically?
Less than a minute
What is the management for idioventricular rhythm?
Observation
What are the three indications (besides STEMI) for PCI in the setting of ACS?
- Shock
- Contraindications to thrombolysis
- Failed thrombolysis
What is the pure alpha blocker used in cocaine induced HTN?
Phentolamine
What is the most common infected heart valve in a non-IVDU?
Mitral
What are the two antibiotics used to treat endocarditis?
Vanc and gent
What is the acute treatment for aortic regurgitation?
Afterload reduction, then surgery