CVD Flashcards
Acute MI aka
STEMI
ACS
S3 heart sound may indicate
Heart failure
Infective endocarditis can present with
new murmur
- subungal hemorrhages
- Osler nodes
- Janeway lesions
- Roth spots or retinal hemorrhages
Osler nodes
painful violet-colored nodes on fingers or feet
Janeway lesions
-nontender red spots on palms/soles
AAA presentation
- elderly white male
- sudden severe, sharp, excruciating pain in abdomen, flank, and/or back
- distended abdomen
- abnormal vitals
Which ventricle is closest to sternum
right ventricle
Displacement of the PMI can occur due to
- severe LVH
- pregnancy in third trimester
S3 heart sound during pregnancy is normal
true
S1 valves
- Systole
- MoTiVAted
- Mitral, tricuspid closure
- these are AV valves
S2 valves
- diastole
- APpleS
- Aortic, pulmonic closure
- these are semilunar valves
S3 heart sounds are also called
- ventricular gallop
- S3 gallop
What does S3 sound like
kentucky
When is S3 normal
- children
- pregnant
- some athletes
When is S3 never normal
-if it occurs after age 35-40
What does S4 indicate
LVH
When is S4 normal
-normal in some elderly due to stiffened left ventricle
When does S4 happen
-late diastole
What is S4 also called
- atrial gallop
- atrial kick
What does S4 sound like
-Tennessee
What is the bell of the stethoscope used for
- low tones such as S3 S4 sounds
- Mitral stenosis
What is the diaphragm used for
- mid to high pitched tones like lung sounds
- mitral regurg
- aortic stenosis
Physiologic S2 benign or pathologic
-benign
Where is split S2 best heard
-pulmonic area
When is split S2 normal
-appears during inspiration and disappears at expiration
Erb’s point
-third to fourth ICS on the left sternal border
Mitral regurg description
- pansystolic or holosystolic
- loud blowing and high-pitched
- use diaphragm
Where is mitral regurg best heard
-apex
Where can mitral regurg radiate to
-axillae
Aortic stenosis description
- midsystolic ejection murmur
- harsh noisy murmur
- use diaphragm
Aortic stenosis location
- second ICS at right side of sternum
- aortic region
Where can aortic stenosis murmur radiate to
-neck
Plan for patients with aortic stenosis
- avoid physical overexertion
- refer to cardiologist
Mitral stenosis description
- low-pitched diastolic rumbling murmur
- aka opening snap
- use bell
Mitral stenosis location
-apex
Aortic regurg description
- high-pitched diastolic murmur
- use diaphragm
Aortic regurg location
-Located at Erb’s point
Grade I murmur
-very soft only heard under optimal conditions
Grade 2 murmur
-mild to moderately loud
Grade 3 murmur
-loud murmur easily heard with stethoscope on chest
Grade 4 murmur
- louder murmur
- first time a thrill is present
Grade 5 murmur
- very loud
- heard with edge of stethoscope off chest
- thrill more obvious
Grade 6 murmur
- murmur so loud, can be heard with stethoscope off chest
- thrill easily palpated
Stenotic valves don’t ___ properly
open
Regurgitant valves don’t ___ properly
close
Identifying murmurs
- where in the cardiac cycle is it audible
- where is it the loudest
- any associated findings
Second most common cause of aortic stenosis
-rheumatic fever
Rheumatic fever can cause what
- aortic stenosis
- mitral stenosis
Aortic regurg findings
- PMI displacement
- dilated left ventricle
- X-ray shows evidence of LVH
How many stages of mitral stenosis
4
1: asymptomatic, then gradual reduction in exercise tolerance
2: onset of pulmonary congestion
3: pulmonary HTN
4: severe state of low CO
MVP associated findings
- palpitations
- CP
- CLICK
MVP is most common in which population
women 14-30 years old
MVP findings
-midsystolic click best at apex and left sternal border
S3 is a sign of
CHF
S4 is a sign of
LVH
Which grade of murmur is a thrill palpated for the first time
4
What to do if a man has a pulsatile abdominal mass >3 cm in width
order abdominal US and CT
Most common arrhythmia in US
afib
Class of afib
supraventricular tachyarrhythmia
Paroxysmal afib
- episodes terminate within 7 days
- usually asymptomatic
Afib treatment tool
-CHADS VASc score
New onset afib treatment plan
- EKG
- TSH
- electrolytes
- renal function
- BNP
- troponin
- refer to cardio
Lifestyle modifications for afib
- avoid caffeine
- avoid alcohol
afib medications
- rate control: BB, CCB, digoxin
- antiarrhythmics: amiodarone BBW pulmonary and liver damage
- Simvastatin with amiodarone: rhabdomyolysis
- anticoagulation: warfarin
- nonvalvular afib: direct thrombin inhibitor or factor Xa inhibitors
Reversal agent for clopidogrel (Plavix)
Pradaxa
INR for syntheithic and prosthetic valves
2.5-3.5
INR < 5.0
- skip next dose
- or reduce slightly the maintenance dose
- check INR once or twice a week when adjusting dose
- no vitamin K
INR >5.0
- hold one or two doses
- with or without vitamin K
- monitor INR every 2-3 days until stable
- decrease maintenance dose
Paroxysmal SVT EKG
- tachycardia with peaked QRS with P waves
- more common in children
PVST presentation
- acute onset of palpitations
- rapid pulse
- lightheadedness
- SOB
- anxiety
PVST treatment
- cardio referral
- if hemodynamically unstable, call 911
- Vagal maneuvers
- hold breath and strain hard, or splashing cold water on face
Pulsus paradoxus
- aka paradoxical pulse .
- apical pulse can be heard even though radial pulse no longer palpable
- status asthmaticus
Pulmonary cause of pulsus paradoxus
- asthma
- emphysema
Cardiac cause of pulsus paradoxus
- tamponade
- pericarditis
- cardiac effusion
Anterior wall MI EKG
- Wide QRS, ST segment elevation
- wide QRS looks like tombstones
Afib causes
- alcohol intoxication
- CAD
- CHF
- history of MI
- older age
- HTN
- stimulants
Suspected bleeding with warfarin, what to order
- INR
- PT, PTT
How long can it take to see changes in INR with warfarin dose change
-3 days
PVR x CO
BP
Sodium and BP
increased: water retention increases vascular volume, increase CO
Normal BP
<120/80
Prehypertension
- 120-139
- 80-89
Stage 1 HTN
- 140-159
- 90-99
Stage 2 HTN
- > 160
- >100
Angiotensin I to angiotensin II
- increased vasoconstriction will increase PVR
- younger patients have higher renin than elderly
Sympathetic system stimulation
-epinephrine causes tachycardia and vasoconstriction
Alpha blockers, beta blockers, CCB
-decrease PVR through vasodilation
Pregnancy and BP
-Systemic vascular resistance lower due to hormones
HTN and microvascular damage
- eyes
- kidneys
Eye exam with HTN
- silver, copper wire arterioles
- AV junction nicking
- Flamed shaped hemorrhages
- papilledema
Kidney exam with HTN
- microalbuminuria and proteinuria
- elevated serum creatinine and eGFR
- peripheral or generalized edema
Macrovascular damage with HTN
- Cardiac: S3, S4, bruits, CAD, acute MI, PAD
- Brain: TIA, strokes
Classes of secondary HTN
- renal
- endocrine
- other
Renal causes of secondary HTN
- renal artery stenosis
- PCOS
- CKD
Endocrine causes of secondary HTN
- hyperthyroidism
- hyperaldosteronism
- pheochromocytoma
Other causes of secondary HTN
- obstructive sleep apnea
- coarctation of aorta
Primary hyperaldosteronism labs
- HTN with hypokalemia
- normal to elevated sodium
Hyperthyroidism labs and presentation
- weight loss, tachycardia, fine tremor, moist skin, anxiety
- new onset afib
- check TSH
Pheochromocytoma presentation
- excessive secretion of catecholamines
- labile increase in BP with palpitations
- sudden onset anxiety, sweating, severe headache
Diagnosing HTN
- confirm with subsequent visit 1-4 weeks later
- check BP at home with diary
- If home BP lower –> white coat HTN
BP goal for everyone
<140/90
BP goal for <60
<150/90
only if without DM or CKD
BP goal for CKD >18 years old
-<140/90
BP goal for DM >18 years old
<140/90
Hypertensive emergency
-diastolic >120 with findings of target organ damage
Isolated systolic HTN in elderly
- loss of recoil in arteries (atherosclerosis)
- Pulse pressure increased
HTN, HLD, T2DM lifestyle recommendations
- weight loss
- stop smoking
- reduce stress
- reduce sodium <2.4g
- adequate K, Ca, Mg
- limit alcohol
- eat fatty cold-water fish three times a week
DASH diet is recommended for
-prehypertension, HTN, weight loss
DASH goal
- eat more K, Mg, Ca
- reduce red meat and processed foods
- eat more whole grains legumes
- eat more fish and poultry
What kind of exercise reduces LDL and BP
aerobic
3-4x/week
at least 40 minutes
Thiazide diuretics
- increase urine output
- monitor K
- avoid with sulfa allergy
Side effects of diuretics
- hyperglycemia
- hyperuricemia
- hyperTG and cholesterol
- hypokalemia
- hypnatremia
- hypomag
Aldosterone receptor antagonist diuretics action
- antagonizes aldosterone
- increase water elimination while sparing K
Aldosterone receptor antagonist diuretics indications
- HTN
- HF
- hirsutism
- precocious puberty
Aldosterone receptor antagonist diuretics side effects
- gynecomastia
- galactorrhea
- hyperkalemia
- GI
- postmenopausal bleeding
- ED
Aldosterone receptor antagonist diuretics examples
spironolactone
-Eplerenone (Inspra)
BB action
-decrease vasomotor activity, CO, inhibit renin and norepinephrine release
BB contraindications
-asthma COPD -chronic bronchitis -emphysema --2nd, 3rd degree heart block -sinus brady
BB and post-MI
decreases mortality
CCB action
- blocks calcium channels in cardiac smooth muscle
- systemic vasodilation
- nondihydropyridines: depress muscles of heart (inotropic)
- dihydropyridines: slow down HR (chronotrope)
Nondihydropyridines
depress heart muscle
inotropic
Dihydropyridines
decrease HR
chronotrope
CCB side effects
HA
ankle edema
heart block or bradycardia
reflex tachycardia
CCB contraindications
- 2nd, 3rd degree HB
- Bradycardia
- CHF
Dihydropyridine examples
-Pine
-nifedipine
amlodipine
felodipine
Nondihydropyridine examples
verapamil
diltiazem
Pregnancy category for ACE/ARB
C
ACEI and ARB contraindications
- mod to severe CKD
- renal artery stenosis
ACEI ends with
-pril
ARBs end with
-sartan
Alpha-1 blockers suffix
-zosin
Alpha-1 blockers side effects
- dizziness
- hypotension
- give at HS and titrate up
Used for both HTN and BPH
- Terazosin (Hytrin)
- Doxazosin (Cardura)
Alpha-1 blockers used ONLY for BPH
Tamsulosin (Flomax)
Diabetic retinopathy findings
- neovascularization
- cotton wool spots
- microaneurysms
Preferred meds for isolated systolic HTN in elderly
-low dose thiazide or CCB
COmbining ACEI with K-sparing duretic
watch for hyperkalemia
Which antihypertensive helps females with HTN and osteopenia/osteoporosis
Thiazide diuretic
slows calcium loss by stimulating osteoclasts
Systolic heart failure EF
<40%
HFrEF
Diastolic heart failure EF
> 40%
HFpEF
Left ventricular failure findings
- crackles, bibasilar rales, cough, dyspnea, decreased breath sounds, dullness
- paroxysmal nocturnal dyspnea, orthopnea, nocturnal nonproductive cough, HTN, fatigue
Right ventricular failure findings
- JVD (normal <4 cm)
- enlarged spleen, enlarged liver
- LE edema with cool skin
Paroxysmal nocturnal dyspnea may indicate left or right HF
left
Other findings with HF
- S3 gallop
- anasarca: generalized edema
Treatment for stable HF with HTn
-start ACEI/ARB, add BB
limit sodium
-refer to cardiologist
-ED if in distress
NYHA class I
-no limitations on physical activity
NYHA class II
ordinary physical activity results in fatigue, exertional dyspnea
NYHA class III
marked limitation in physical activity
NYHA class IV
symptoms present at rest
DVT stasis etiology
- prolonged travel
- prolonged inactivity >3 hours
- bed rest
- CHF
DVT inherited coagulation disorder etiology
- Factor C deficiency
- Factor V Leiden
DVT increased coagulation due to external factors
- OC
- pregnancy
- bone fractures of long bones, trauma, recent surgery, malignancy
DVT Homan’s sign
- lower leg pain on dorsiflexion of foot
- low sensitivity
DVT labs
- CBC
- platelets
- clotting time
- D-dimer level
- CXR
- EKG
- US
- hospital admission for IV heparin and PO coumadin for 3-6 months
Superficial thrombus patho
- inflammation of superficial vein due to local trauma
- higher risk with indwelling catheters, IV drugs, secondary bacterial infection
Superficial thrombophlebitis findings
- indurated cord-like vein
- warm and tender
- surrounding area with erythema
- should be no swelling or edema of entire limb –> DVT
Superficial thrombophlebitis treatment
- NSAIDs
- warm compress
- elevate limb
- If septic cause –> ED
Peripheral arterial disease patho
- gradual narrowing and/or occulsion of medium to large arteries in LE
- blood flow decreases over time
- permanent ischemic damage
Risk for PAD
- HTN
- smoking
- DM
- HLD
- previously known PVD
PAD presentation
- worsening pain on ambulation (intermittent claudication)
- instantly relived by rest
- atrophic skin changes
- gangrene on toes
Ankle-Brachial Index (ABI) diagnosis for PAD
-<0.9
Normal ABI
0.91-1.3
ABI procedure
- systolic BP of ankle and arm checked after being supine for 10 minutes
- ABI done for each leg
- ABI=SBP of eat foot divided by SBP of both arms
PAD skin findings
- atrophic
- shiny and hyperpigmented ankles
- hairless and cool
PAD CVD findings
- decreased to absent dorsal pedal pulse
- increased capillary refill time
- bruits over partially blocked arteries
PAD treatmnet
- smoking cessation –> vasoconstriction
- daily ambulation exercise
- Cilostazol (Pletal): phosphodiesterase inhibitor, direct vasodilator
- Percutaneous angioplasty or surgery for severe cases
Raynaud’s association
increased risk of autoimmune disorders
Raynaud’s presntation
- women
- chronic and recurrent episodes of color changes on fintertips in symmetric pattern
- white, blue, and red
- numbness and tingling
- attacks last for hours
Raynaud’s treatment
- avoid cold
- avoid stimulants
- smoking cessation
- CCB: nifedipine, amlodipine
- check distal pulses and ischemic signs
- no vasoconstricting drugs
- avoid nonselective BB
ASCVD score to start statin
> 7.5%
if diabetic, start immediately
Statin recommendation for history of CHD or stroke
high potency statin
Statin recommendation for LDL >190 (familial)
High potency statin
Statin recommendation for DM
Mod potency statin
Statin recommendation for global 10-year risk score >7.5
mod potency statin
primary prevention
High potency statins
- rosuvastatin 20, 40
- atorvastatin: 40, 80
Bacterial pathogens for bacterial endocarditis
- viridans streptococcus
- s. aureus
- usually gram +
Bacterial endocarditis treatment plan
-stat referral to ED for IV abx
Bacterial endocarditis prophylaxis is recommended for
- previous history of IE
- prosthetic valves
- certain congenital heart disease
- cardiac transplant
for
- dental procedures of mucosa, gingiva, periapical area
- invasive procedures of respiratory tract
IE prophylaxis medication
- Amoxicillin 2 G PO x 1 does (adults)
- amoxicillin 50 mg/kg 1 hour before produce x one dose (children)
MVP is at higher risk for
- thromboemboli
- TIA
- afib
- ruptured chorade tendinae
Treatment for MVP
- asymptomatic does not need treatment
- MVP with palpitations: BB, avoid caffeine, alcohol, cigarettes
- Holtor monitor
When to start screening for HLD
20
every 5 years
HLD screening for <40
every 2-3 years
Screening for preexisting HLD
every year
Normal total cholesterol
<200
Borderline total cholesterol
200-239
High total cholesterol
> 240
HDL in men
> 40
HDL in women
> 50
Low HDL is associated with
increased risk of CAD even with normal LDL
What diet is associated with low HDL
high carb and low-fat diets
smoking
Optimal LDL
<100
LDL for low-risk patients and <2 risk factors
<130
Very high LDL
> 190
LDL level for heart disease or DM
<100
Normal TG
<150
High risk of acute pancreatitis
> 1000
Treatment plan for TG >500
- treat TG with fibrate (fenofibrate or niacin), OTC niacin, or high-dose fish oil
- prescription fish oil: Lovaza 4f/day
- once TG under control, switch to LDL lowering
HLD treatment
- lifestyle changes
- DASH diet
- increase soluble fiber
- treat LDL or TG first
HLD treatment for >75 with ASCVD
-mod intensity statin
Best at reducing LDL
-HMG COA reductase inhibitors
statins
Niacin should not be combined with
statins
Fibrates should not be used with
severe renal disease
Good agents for lowering TG and elevating HDl
nicotinic acid and fibrates
Bile acid sequestrant mechanism
works in small intestine, interfere with fat absorption, including fat soluble vitamins
fat soluble vitamins
A, D, E, K
When are bile acid sequestrants used
-when patients cannot tolerate statins, fibrates, and niacin
Bile acid sequestrant examples
-Cholestyramine, colestipol, colesevelam
Combination regiment for lipid-lowering
should be avoided
Rhabdomyolysis labs
-creatine kinase if markedly elevated at least 5x upper limited of normal -urine will be reddish-brown proteinuria LFTs elevated
Acute drug induced hepatitis presentation
- nausea
- anorexia
- dark urine
- jaundice
- fatigue
- flu like symptoms
Acute drug-induced hepatitis labs
-elevated ALT and AST
Any adult with history of ASCVD must be treated with
high dose statin
Any adult with LDL> 190 without ASCVD or DM must be treated with
high dose statin
Patient with ASCVD risk score 5-7.5% initial treatment
lifestyle modifications
Statins may cause which neurologic symptoms
memory loss
confusion
d/c statin
Which statins should not be mixed with macrolides
simvastatin
lovastatin
Which body types are at risk for metabolic syndrome
apple body more at risk than pear shaped body
Obesity waist circumference in males
> 40 inches
Obesity WC in females
> 35 inches
Waist to hip ratio obesity males
->1
Waist to hip ratio obesity females
> 0.8
Metabolic syndrome increases risk for
DM and CVD
Criteria for metabolic syndrome
- abdominal obesity
- HTN
- HLD: FPG(>100), elevated TG (>150), decreased HDL (<40)
NAFLD patho
- TG fat deposits in hepatocytes
- most asymptomatic
NAFLD labs
- LFTs
- hepatitis panel
NAFLD treatment
- lose weight, exercise
- d/c alcohol permanently
- avoid hepatotoxic drugs
- vaccine for hepatitis A and B
BMI
ratio of weight (kg) to height (Meters^2)
Overweight BMI
> 27
AAA screening
- men aged 65-75 who have ever smoked
- one time with US
Physiologic split S2
split increases on inspiration
found in most adults <30
benign
best heard in pulmonic region
Heart sound found in poorly controlled HTN or recurrent MI
S4
High-dose statin therapy can reduce LDL by how much
50%
What is pulsus paradoxis
- decrease in systolic BP on inspiration
- systolic pressure drops due to increased pressure
- asthma, emphysema
What is ankle brachial index used to measure
severity of arterial blockage in LE
-Peripheral arterial disease
Normal ABI score
1-1.4
ABI score for severe PAD
<0.5