Misc Flashcards
DAPT + PPI
Patients at increased risk of GI bleeding, prior GI bleed biggest risk factor
Do not use prasugrel
Prasugrel CI
> 75 years, a prior history of stroke, or with weight.
Platinum based chemo adverse effect
Htn
tyrosine kinase inhibitors such as nilotinib adverse effect
Arterial thrombosis
Familial dilated cardiomyopathy
clinical diagnosis when idiopathic dilated cardiomyopathy occurs in at least two closely related family members. Known mutations only cause 40-50% of disease
HIV drugs lipids
Protease inhibitors cause HLD-> simvastatin and lovastatin are CI
Use atorvastatin 10 mg daily or rosuvastatin 10 mg
LQTS ICD indication
Cardiac arrest
Consider if syncope/VT on beta blockers
late-presenting, LAD MI + new well-heard murmur
VSD
Pregnant women with mechanical valves
Warfarin is okay if <5 in the first trimester
If >5-> use lovenox or heparin
Any dose of warfarin is fine in 2nd and 3rd trimesters
Switch to lovenox or heparin at 36 weeks. Monitor factor Xa
Preggo physical exam
mildly elevated JVP, an S3, and trace lower extremity edema, mild tachy are normal in third trimester
Hypoxemia/pulm edema-more definitive signs of hypervolemia
Preggo hypertension
Preexisting hypertension or organ issues
Goal <150/90, nifedipine/labetalol/alpha-methyldopa/furosemide
Goal 120-160/ 80-110
Shockable (VT/VF) cardiac arrest treatment
Temp management if comatose
Cath if ST elevations
For every minute that defib is delayed, survival decreases by 7-10%
Goal spO2 after cardiac arrest
PaCO2 goal
92-98% (Increase PEEP or FiO2)
35-45 mm Hg
Pre op eval, think
CAD, valves, arrhythmia, heart failure
P2Y12 non ACS
ACS
Prasugrel CI in
Clopidogrel
Ticagrelor/ prasugrel
>75 yo and h/o stroke
Risk factors for OSA
Risk factors for central sleep apnea
Age and BMI
male sex, advanced age, atrial fibrillation, and hypocapnia.
> 60% survival and favorable neuro outcomes after out of hospital arrest
Defibrillation
Mitral valve area
Preggo with severe MS
220/pressure half time
Balloon valvuloplasty regardless of symptoms
Sports eval for 12-25 years of age
Use questionnaires from AHA or AAP
Cardiac arrest with ongoing chest compressions
Bagging is preferred for ventilation as compressions do not need to be stopped
Bystander help for cardiac arrest
Chest compressions and call EMS
Cheyne-Stokes (central sleep apnea, associated with heart failure)
Treatment
Optimize heart failure treatment-> CPAP, if intolerant-try oxygen
Technetium pyrophosphate scan is for
LVH+ renal dysfunction
TTR amyloid
Fabry disease -> obtain genetic testing
Congenital long QT syndrome
Beta blocker
ICD
Seizure after cold stimulus
Get genetic testing: KCNQ1, KCNH2, SCN5A
If QT>470 or symptomatic (propranolol and nadolol)
After SCD, or recurrent events on meds
Avoid swimming, remove loud alarm clocks in LQT2
Refractory cardiogenic shock
Biventricular / need for pulmonary support
Differentiate between left vs biventricular with RA pressure
Venoarterial ECMO (venovenous only supports lung function)
Decreased survival rate after cardiac arrest
older age (especially >85 years of age), a history of cancer, nonshockable rhythm, unwitnessed arrest, and a pH <7.2
Preggo Marfan
Replace aortic root and ascending aorta if >4 cm
VF/ VT arrest meds
epinephrine 1 mg IV every 3-5 min after the second shock
Amiodarone 300 mg or lidocaine 1-1.5 mg/kg IV or IO after the third shock.
Azole antifungals drug interactions
Increase concentration of cyclosporine and tacro
When stopped-> rejection meds should be increased, otherwise organ will be rejected
When initiated-> decrease rejection meds
Phenytoin does the opposite
Preggo hemodynamics
First trimester
Increased CO, decreased SVR
CO reached peak in early third trimester
SVR reaches nadir in mid second trimester
Pressor choice for sepsis if tachycardic
vasopressin or phenylephrine
Differentiate shock
Cardiogenic vs septic vs hypovolemic
RHC MVO2 <65%+ elevated pressures vs >65% vs low pressures
> 140/90 + proteinuria or
hypertension + significant end-organ dysfunction
after 20 weeks of gestation or postpartum
Severe features
Preeclampsia
> 160/110 or end organ dysfunction
Need urgent vaginal delivery. Use IV labetalol or hydralazine
Dilated cardiomyopathy
Likely nonischemic, obtain detailed family history
Preggo related htn increases risk of
HTN, CAD and stroke twofold