Exam 2 Flashcards
What are 6 risk factors associated with increased risk of CHD?
Prematurity
Family History (first degree relative with CHD)
Genetic Syndromes
Maternal Factors (medical hx, drug use, smoking and Alcohol use)
Fertility treatments
In utero Infection
What are 7 in utero infections associated with CHD?
Rubella
Influenza
CMV
Coxsackie
Toxoplasmosis
Roseola
Fifth’s Disease
What 2 types of CHD are linked to fertility treatment?
Septal defects
Cyanotic CHD
What are the 2 most common causes of CHD?
Cyanotic
Acyanotic
Is a right to left shunt cyanotic or acyanotic?
cyanotic
*dangerous
*pressure + volume overload
–>deoxygenated blood –>oxygenated blood –> body
–>pulm –>systemic –> body
What is the most common Acyonotic CHD?
Ventral Septal Defect
What are the 5 types of cyanotic CHD?
Truncus arteriosis (1 vessel)
*Transposition of the Great Vessels (2 vessels switched)
*Tricuspid valve atresia (3 valve cusps)
**Tetralogy of Fallot (4 components)
*Total Anomalous Pulmonary Venous Return (5 words)
Also;
pulmonary and tricuspid atresia
you will also see in ARDS
acronym TPT (tet of fallot, pulm + tricuspid atresia)
What are 4 types of Acyanotic CHD?
VSD (25% of most cases; most common CHD surgical repair)
*ASD
*PDA (patent ductus arteriosus)
*Coarctation of the aorta
acronym “VAP” for VSD, ASD, PDA
Right to left shunt is indicative of which type of CHD?
Cyanotic
Left to right shunt is indicative of which type of CHD?
Acyanotic
This is when the pressure in the left side of the heart is greater than the pressure in the right side
not as dangerous as right to left shunt
–>oxygenated blood –>deoxygenated blood –>lungs
systemic –> pulmonary –>lungs
What happens during a TET spell (tetrology of fallot)?
-cyanosis
-hypoxemia (65% - 85%)
-clubbing
-polycythemia (report hgb over 22g/d)
Tetrology of fallot interventions
-knees to chest (infant)
-squatting (older kids)
-do NOT interrupt sleep
-provide a calm, quiet environment upon waking
-pacifier during sleep
-small frequent feedings
-swaddle
What is the definition of CHD?
Structural abnormalities of the heart and or great vessels occurring during fetal development.
What is the definition of Cyanotic CHD?
Heart defect in which less than normal oxygen levels are delivered to the body.
What is the definition of Acyanotic CHD?
Heart defect in which oxygen levels delivered to the body typically remain normal.
True or False In some infants with CHD, murmurs may not be heard during the initial examination but
may be detected at or beyond the age of six weeks.
True
What is the universal newborn screening for CHD?
Pulse oximetry
Pulse ox screening will diagnose which type of CHD?
R to L shunt
Cyanosis
How is the pulse ox screening performed?
Pulse ox on right hand and either foot.
List 3 criteria for a positive pulse ox screening in CHD?
Any sat less than 90%
Sat less than 95% in both extremities on 3 measures, each separated by an hour.
More than 3% absolute difference in sat between the right hand and foot on 3 measure each separated by one hour.
Is a positive pulse ox screening for CHD passing or failing?
Failing
What are some PE findings that suggest
CHD?
Abnormal HR: obtain ECG
* Abnormal BP in 4 extremities (i.e.: blood pressure ≥10 mmHg higher in the arms
than legs)
* Abnormal S2 splitting
* Abnormal extra heart sounds
* Abnormal precordial activity
* Pathologic murmurs (>3 intensity)
* Hepatomegaly
* Diminished pulses in lower extremities
* Extracardiac anomalies (in latest reports, noted in about 20% of children with CHD)
Name 8 associated history finding in cyanotic CHD.
Irritability or decreased level of activity
Diaphoresis and crying w/feedings.
Decreased amount of formula per feed
Hx of longer time per breast feeding
Poor weight gain
Fast and or irregular breathing
Bluish or purple discoloration of the skin or mucous membrane
Older children may present with exercise intolerance including dyspnea, diaphoresis, cyanosis, or palpations during exercise.
Name 10 physical exam findings for cyanotic CHD.
Cyanosis
* Tachypnea
* Increased work of breathing
* Pulmonary edema
* Tachycardia
* Heart murmur
* Hepatomegaly (Liver edge located more than 2.5 cm below the right costal margin)
* Weak femoral pulses
* Signs of poor perfusion or shock
* Lethargy
List 5 reasons to refer to cardiology for CHD.
+ Positive NB pulse oximetry screening
+ Signs or symptoms concerning for CHD, including cyanosis, respiratory symptoms, difficulty feeding, or poor weight gain
+ Physical examination findings suggestive of CHD
+ Genetic disorder or extracardiac abnormality associated with cardiovascular malformations
+ Abnormal CXR or ECG
Is it safe to give live vaccines to a patient on the transplant list?
NO
What are 6 roles of the primary care provider when treating pediatric patients with CHD?
- Close collaboration with cardiac team
- Routine immunizations given (careful consideration for live
vaccines in patients who are candidates for heart transplants) - Prophylaxis with Synagis for respiratory syncytial virus
- Subacute bacterial endocarditis prophylaxis for dental procedures
- Treatment of iron deficiency anemia
- Counseling parents regarding probability of cardiac malformation
occurring in subsequent children
What are the 3 most common pathogens in infective endocarditis?
Streptococcus Viridians
Staphylococcus Species
Enterococcus Species
True or False Patients with CHD are cured of their disease after successful treatment in childhood?
False
What percentage of newborns with Down Syndrome have CHD?
50%
What are the 4 most common heart defects?
- Atrioventricular septal defect
- Ventricular septal defect
- Patent ductus arteriosus
- Tetralogy of Fallot
Name 6 characteristics of Innocent Murmurs.
- Asymptomatic
- Grade ≤2 intensity
- Short systolic duration (i.e., not holosystolic and not diastolic)
- Minimal radiation
- Musical or vibratory quality
- Softer intensity when the patient is sitting compared with when the
patient is supine. - Usually resolves by early adolescence
For children 13 years old and older what is considered a normal BP?
Systolic <120
Diastolic <80
Dx of persistent childhood HTN is made when?
Repeat BP’s on three separate visits are > 95th percentile for age, sex, height of patient OR >/= 130/80.
Childhood hypertension remains a major risk factor for the development of?
Acquired heart disease in adulthood.
What are 6 modifiable risk factors in CHD?
- Obesity
- OSA
- Sodium intake
- Tobacco exposure
- Breastfeeding
- Childhood adversity
What are 3 non-modifiable risk factors in CHD?
- Sex
- Race
- Family hx
Which is more common in children Primary or Secondary HTN?
Primary
In pediatrics with stage 1 primary HTN without evidence of end-organ damage or CVD risk factors what is the initial intervention?
Nonpharmacologic therapy
In pediatrics with stage 1 primary HTN if BP target goals are not met within four to six months after nonpharmacologic initial therapy (BP below the 90th percentile) what is the next step?
Refer to a pediatric cardiologist for pharmacologic therapy.
When is Emergent treatment needed with pediatric HTN?
Stage 2 HTN and neurological symptoms
True or False Pt’s with Stage 2 HTN (140/90) should be restricted from high-static sports until BP is in normal range after lifestyle modification.
True
What 2 conditions warrant both pharm and nonpharmacological
interventions for any child with elevated BP or HTN?
Patients with CKD and/or diabetes
What are some causes for secondary HTN in children?
- Renal disease- most common (i.e., glomerulonephritis after strep, renal scarring after pyelonephritis, chronic renal disease, etc.)
- Endocrine disease (i.e., catecholamine excess- pheochromocytoma; corticosteroid
excess- Cushing syndrome or exogenous use)
*Cardiac disease (coarctation of aorta is primary cardiac cause)
*Drugs and toxins (cocaine, steroid use, OCP, arsenic, cyclosporine, tacrolimus)
True or False In children with secondary HTN, the underlying disorder may be curable with complete resolution of HTN?
True
Many of the antihypertensive agents available for adult use may also be used to manage hypertensive children and adolescents, even though only limited data are available to support this practice. Which 3 have the strongest data to support their use in pediatric patients?
Angiotensin-converting enzyme (ACE) inhibitors
Angiotensin II receptor blockers (ARBs)
Calcium-channel blockers
Remember to refer for management!
Seven S’s: mneumonic for identifying murmurs in children:
Soft
Systolic
Small area of involvement on precordium
Short duration (typically early systolic or mid-systolic sounds)
Single (without clicks or snaps)
Sweet (not harsh)
Sensitive (to standing and respiratory variations).
Define what Stage A HF is.
At risk for HF but without symptoms, structural heart
disease, or cardiac biomarkers of stretch or injury (e.g.,
patients with hypertension, atherosclerotic CVD,
diabetes, metabolic syndrome and obesity, exposure to
cardiotoxic agents, genetic variant for cardiomyopathy,
or positive family history of cardiomyopathy).
Define what Stage C HF is:
Symptomatic HF
Structural heart disease with current or previous symptoms of HF
Define what Stage B HF is:
No symptoms or signs of HF and evidence of 1 of the
following:
Structural heart disease
-Reduced left or right ventricular systolic function o
Reduced ejection fraction, reduced strain
-Ventricular hypertrophy
-Chamber enlargement
-Wall motion abnormalities
-Valvular heart disease
Evidence for increased filling pressures
-By invasive hemodynamic measurements
-By noninvasive imaging suggesting elevated filling pressures
(e.g., Doppler echocardiography)
Patients with risk factors and
-Increased levels of BNPs*
-Persistently elevated cardiac troponin in the absence of
competing diagnoses resulting in such biomarker elevations
such as acute coronary syndrome, CKD, pulmonary embolus,
or myopericarditis
Define what Stage D HF is:
Advanced HF
Marked HF symptoms that interfere with daily life and with
recurrent hospitalizations despite attempts to optimize
GDMT.
Thyroid (T4) replacement medications and usual dose range?
Synthroid (brand)
Levoxyl
Levothyroid
Unithiroid
generic levothyroxine for all
75-125mcg of levothyroxine
Replacement dosing;
-adults 1.6mcg/kg/day
—titrate 12.5 to 25 mcg increments as needed
-adults at risk for afib or underlying cardiac disease
—lower starting dose (less than 1.6mcg/kg/day). titrate dose every 6 to 8 weeks as needed
-geriatric patients
—lower starting dose (less than 1.6mcg/kg/day)
Low TSH High T4
Hyperthyroidism
High TSH low T4
Primary Hypothyroidism
Low TSH Low T4
Secondary Hypothyroidism
What is the criteria for HFrEF (HF with reduced EF)?
Left Ventricular EF < or = to 40%
What is the criteria for HFimpEF (HF with improved EF)?
Initial Left Ventricular EF < or = to 40% with follow up greater than 40%.
What is the criteria for HFmrEF (HF with mildly reduced EF)?
EF 41%-49%
What is the criteria for HFpEF (HF with preserved EF)?
Greater than or = to 50%
Give 4 examples of clinical presentation for HF?
Dyspnea on Exertion (DOE)
Unexplained fatigue
Lower extremity edema
Unexplained weight gain
What is one of the most common reasons for acute care hospital admissions?
Acute exasperation of HF
What are 9 physical exam findings in a pt with HF?
Crackles over lung bases
Wheezing
Frothy blood-tinged sputum
S3
Tachycardia
Diaphoresis
Pallor
Peripheral cyanosis
Liver engorgement
What are 10 diagnostic test to order to dx HF?
CBC
U/A
CMP
Lipids
LFTs
TSH
BNP (?)
ECG
CXR
ECHO
Give 4 examples of differential dx when working a pt up for HF?
Renal Disease
Liver Disease
Asthma
COPD
What are 5 treatment goals for a pt dx with HF?
Relieve symptoms
Slow progression
Improve quality of life
Help patients live longer
Decrease hospitalizations
What are 5 classifications of medications for HF?
ACE or ARN inhibitors (Lotensin, Zestril, Cozaar,
Entresto)
Mineralocorticoid antagonists (Aldactone)
Beta blockers (Coreg)
Diuretics (Bumex, Lasix)
SGLT2 (Jardiance)
What are 9 lifestyle changes for a pt with HF?
Dietary-low sodium and fat
Smoking cessation
Limit alcohol and caffeine
Maintain a healthy weight
Exercise
Stress reduction
Report weight gain
Track symptoms
Regular follow-up
How can peripheral artery disease (PAD) be defined?
An atherosclerotic disease of the lower extremities associated with high cardiovascular mortality.
What is another term for PAD?
Chronic arterial insufficiency (CAI)
What are 8 risk factors for PAD?
Smoking
Hyperlipidemia (elevated LDL, Cholesterol and
Triglycerides)
DM
HTN
HIV
BMI > 30
Age > 50
Family Hx of CV Disease
What are 3 complications in PAD?
Critical limb ischemia and amputation
Stroke
MI
What is a classic symptom in PAD presentation?
Claudication
How can claudication be described?
Exercise-induced cramping w/fatigue, weakness & pressure
Not uncommon to deny pain, ask about discomfort with walking
Exacerbated by leg elevation,
Paresthesias, weakness and cool extremities
What are 3 criteria for a patient with Critical Limb Ischemia?
Pain at rest
Nonhealing wounds or ulcers
Gangrene in one or both legs.
Name 4 other clinical presentations for PAD.
Decreased or absent pulses distal to the obstruction
Presence of bruits over artery narrowing
Atrophic skin with hair loss, brittle nails
Pallor on elevation of legs, rubor on dependence
What is an Ankle Brachial Index (ABI)
A doppler study used to determine the ratio of ankle systolic blood pressure to arm systolic BP.
How do you calculate ABI?
Calculated by dividing the highest pressure for each foot by the highest brachial pressure. Should be greater in the affected extremity.
What is the ranges for the Ankle Brachial Index (ABI)?
>1 Normal
0.9-1.0 Minimal disease-nl.
0.5-<0.9 arterial occlusive disease, often have exercise claudication
<0.5 Severe disease, pain at rest
What would be a good medication to give a pt who has HF and DM?
SGLT2 (Jardiance)
What is seen in mild claudication?
Patient has pulses, exercises, loses pulses
Management for PAD includes?
Risk factor modification
tobacco cessation-nicotine patch therapy & Zyban
Exercise Therapy
30-45 sessions, 4 to 5 times a week for 12 weeks
Treat HTN (less than 140/90 non-DM, 130/80 DM),
DM (HgA1c <7%)
& Lipids
Is it ok to tell a pt with PAD that cutting down on smoking is enough?
NO THEY MUST QUIT!
What is the pharmacologic management for intermittent claudication in PAD?
Cilostazol (Pletal)
Naftidrofuryl (Nafronyl)
ASA Daily
What is the pharmacologic management for Cholesterol Reduction in PAD?
High Intensity Statins
Simvastatin (limbic and systemic complications)
Ezetimide (very high risk pts)
PCSK9 (evolocumab) –LDL>70
What is the pharmacologic management for Antiplatelet Therapy in PAD?
ASA 100 mg
clopidogrel-(Plavix)
Ticagrelor (Brilinta)
What is the pharmacologic management for Anticoagulation therapy in PAD?
warfarin
rivaroxaban (Xarelto)
Apixaban (Eliquis)
What is the pharmacologic management for BP in PAD?
ACE & ARB
What are 7 complications that can be seen in PAD?
Acute coronary syndrome
Stroke
Nonhealing Ulcer
Gangrene
Amputation
DVT
Erectile Dysfunction
What are the BP goals with the general population?
<60 years old <140/90
> or = 60 years old < 150/90
In the general population non-black and non-black with diabetes w/o CKD what are your first line treatment for HTN?
Thiazide
Ace Inhibitor
ARB
Calcium Channel Blocker
Alone or in Combination
What 2 blood pressure medications should not be used in combination?
ACE & ARBs
In all populations despite comorbidities if the 1st. line treatment for HTN is not working what is your next step?
Reinforce lifestyle and adherence
Titrate meds to max doses or consider adding another med (Thiazide, Ace Inhibitor, ARB, Calcium Channel Blocker)
In all populations despite comorbidities if the 2nd. line treatment for HTN is not working what is your next step?
Reinforce lifestyle and adherence
Add a class of drug not already selected ie. Beta blocker, Aldosterone antagonist and titrate 1st line drugs to max.
In all populations despite comorbidities if the 3rd. line treatment for HTN is not working what is your next step?
Reinforce lifestyle and adherence
Titrate meds to max doses
Add another med
Refer to hypertension specialist
In the general population for blacks what are your first line treatment for HTN?
Thiazide or CCB alone or in combination
For all ages and patients with diabetes but no CKD what is our BP goal?
< 140/90
For all patients with CKD with or W/O DM what is our BP goal?
< 140/90
For all patients with CKD with or W/O DM what is our 1st line treatment for HTN?
Initiate ACE or ARB alone or in combination of another class