Cardiology Flashcards
Where is the S1 auscultated?
Mitral/Tricuspid close
Aortic/Pulmonic open
Where is S2 auscultated?
Aortic/Pulmonic closure
Mitral/Tricuspid open
What is Systole?
Period between S1 and S2
What is Diastole?
Period between S2 and S1
When is S3 auscultated?
Auscultated when there is increased fluid in the heart
When is S4 auscultated?
Auscultated when the heart is stiff
Murmur grading
I/IV: Barely auscultated
II/IV: Faintly heard
III/IV: Loud
IV/VI: Loud with thrill
V/VI: Auscultated with part of the stethescope
VI/VI: Loudest
Mitral Stenosis Murmur
Loud S1, low pitched, mid distolic
Mitral Opening Snap and Diastolic Murmur
Mitral Regurgitation
Systolic murmur at the 5th ICS MCL
Early Systolic Murmur
Aortic Stenosis
Systolic, rough, harsh murmur
Systolic Murmur with Absent S2
Aortic Regurgitation
Diastolic, blowing murmur at the 2nd left ICS
Early Diastolic Murmur
Where is a Mitral Murmur?
In the apex of the heart located in the 5th ICS
Where is a Aortic Murmur?
In the base of the heart located between the 2nd and 3rd ICS
What valvular diseases can be auscultated during diastole?
Mitral
Stenosis
Aortic
Regurgitation
Diastolic
What valvular disease can be auscultated during systole?
Mitral
Regurgitation
Aortic
Stenosis
Systolic
What is Heart Failure?
A condition that lowers cardiac output leaving it unable to meet the needs of the body
What are the types of of Heart Failure?
HFrEF
HEmEF
HFpEF
Acute
Chronic
What is HFrEF?
EF less than 40%
Inability to contract
What is HFmEF?
EF between 40-50%
What is HFpEF?
EF greater than 50%
Inability to relax and fill
What is AHF?
Abrupt onset of heart failure usually because of MI or valve rupture
What is CHF?
Develops as a result of inadequate compensation that have been used over a period of time to improve cardiac output
Clinical manifesations of acute left sided heart failure
Dyspnea
Coarse rales
Wheezing
Frothy cough
S3
Mitral regurgitation murmur
Clinical manifestations of chronic right sided heart failure
JVD
Hepatomegaly
Splenomegaly
Dependent edema
Paroxysmal nocturnal dyspnea
Appears chronically ill
Diffuse chest wall heave
Displaced PMI
Abdominal Fullness
Fatigue
S3 and/or S4
NYHA Class One
No limitation of physical activity
NYHA Class Two
Slight limitation of physical activity, but comfortable at rest
NYHA Class Three
Moderate limitation of physical activity, but comfortable at rest
NYHA Class Four
Unable to carry out physical activity and symptoms do not go away with rest
Laboratory/Diagnostics
- ABG: Hypoxemia and Hypocapnia
- Elevated BNP
- CXR has Pulmonary Edema and Effusion
- Echo
- ECG may show deviation or underlying problem
Nonpharmacologic intervention for heart failure
- Sodium restriction
- Rest/activity balance
- Weight reduction
What are the pharmacologic interventions for congestive heart failure?
- Diuretic.
- Angiotensin, converting enzyme inhibitor, or angiotensin II receptor blocker
- Beta blocker.
- Entresto
- Digoxin
- Anticoagulation therapy for atrial fibrillation
What is a cardiomyopathy?
A cardiomyopathy is any disorder that affects the heart muscle
What are the different types of cardiomyopathies?
- Dilated cardiomyopathy
- Hypertrophic cardiomyopathy
- Restrictive cardiomyopathy
- Arrhythmogenic right ventricular dysplasia 
- Transthyretin amyloid cardiomyopathy
What is dilated cardiomyopathy?
Dilated cardiomyopathy is dilation of the heart muscle
What is hypertrophic cardiomyopathy?
Hypertrophic cardiomyopathy he is hypertrophy of the left, and sometimes the right ventricle
What is restrictive cardiomyopathy?
Restrictive cardiomyopathy is scarring and stiffening of the heart muscle
What are the signs and symptoms of cardiomyopathy?
Signs and symptoms of cardiomyopathy is similar to congestive heart failure
Acute management of heart failure
- Manage ABC’s
- Preload and afterload reduction with vasodilators
- Inhibition of neurohormonal activation
Routine management of heart failure
- Start beta blockers once euvolemic
- Diuretic.
- ACEi/ARB
Inpatient management of pulmonary edema
- Oxygen at 1 to 2 L
- Please patient and sitting or semi-Fowlers
- Morphine 2 to 4 mg IV push
- Furosemide 40 mg IV up to 80 mg over 20 minutes
- If cardio index is low, use dobutamine
- If SBP is low, use dopamine.
What are the two types of hypertension?
- Primary is in 95% of all cases.
- Secondary is in 5% of all cases, and due to estrogen, renal disease, pregnancy, endocrine disorder, renal artery stenosis
What modifiable risk factors increase blood pressure?
- Smoking
- Obesity
- Excessive alcohol intake.
- NSAIDS
What are the signs and symptoms of hypertension?
- Often silent or none
- Elevated blood pressure
- Headache.
- Epistaxis
- Dizziness.
- Lightheadedness
- S4
- Chest pain
Laboratory and diagnostic test for hypertension
- BMP
- Chest x-ray
- Plasma aldosterone
- Cortisol level
- Urinalysis
- Complete blood count.
- Calcium (Hypercalcemia causes increased vascular resistance)
- Phosphorus (Hyperphosphotemia causes increased vascular resistance)
- Uric acid
- Cholesterol
- Triglycerides
- ECG 
What is a normal blood pressure?
SBP <120 and DBP <80
What is stage one hypertension?
Stage one hypertension is a systolic blood pressure of 130-139 and diastolic blood pressure of 80-89
What is the stage two hypertension?
Stage two hypertension is a systolic blood pressure of >140 and diastolic blood pressure of >90
What what are some nonpharmacologic therapies for hypertension?
- Restrict dietary sodium.
- Weight loss
- Dash diet
- Exercise.
- Stress management planning
- Reduction or elimination of alcohol
- Smoking cessation
- Appropriate nutritional intake
Pharmacologic management for non-African-American for hypertension
Thiazide diuretic
Angiotensin-converting enzyme inhibitor
Angiotensin-receptor blocker
Calcium channel blocker
Pharmacological management for African-Americans for hypertension
Thiazide Diurtic
Calcium Channel Blockers
Pharmacological management for diabetics with hypertension
ACEi
ARB
Pharmacological management of hypertension in chronic kidney disease
ACEi
What medication is the first line therapy for hypertension?
Thiazide Diuretics followed ACE/ARB and CCB
What blood pressure is a hypertensive urgency?
180/110
What is the treatment for hypertensive urgency?
Clonidine
What blood pressure is considered hypertensive emergency?
180/120
Name five conditions associated with hypertensive emergencies
- Malignant hypertension
- Hypertensive cephalopathy
- Intracranial hemorrhage
- Unstable angina
- Acute MI
- Acute HF
- Dissecting aortic aneurysm
- Eclampsia
What is the management of hypertensive emergency?
ICU admission and administration of nicardipine, sodium nitroprusside, labetalol, esmolol, and hydralazine
What is angina?
Decreased blood flow through the vessel resulting in tissue ischemia causing cardiovascular pain
What are the four types of angina?
- Stable.
- Prinzmetal.
- Unstable.
- Microvascular.
What is stable angina?
Stable angina is chest pain associated with exertion that may be acute or chronic
What is Prinzmetal angina?
Prinzmetal angina is associated with vasospasms, occurs at various times, and even at rest
What is unstable angina?
Unstable angina is chest pain associated with coronary syndrome that does not resolve at rest
What are the clinical manifestations of angina?
- Chest discomfort that last for several minutes.
- Chest pain associated with exertion
- Use of nitroglycerin.
- Signs of peripheral artery disease.
- Levine sign (clenched fist)
- Presence of S4
What are the EKG readings during angina?
- EKG may be normal
- May have depressed ST segment
- May have peaked T-waves of inverted T-waves
What are four diagnostic tools for angina?
- ECG
- Exercise ECG
- Serum lipid panel
- Coronary angiography
What risk factors are associated with Angina?
- Age (>40)
- Sex (Male)
- Race (African American)
- Total cholesterol (High)
- HDL cholesterol (Low)
- SBP (High)
- Diabetic
- Current or history of smoking
What are common pharmacological therapies for angina?
- ASA 81 mg
- Nitrates
- Beta-Blockers
- Calcium Channel Blockers
What makes a patient qualify for statin therapy?
- Clinical evidence of ASCVD
- LDL-C greater than 190mg/dl
- Patients with diabetics and have a LDL-C between 70-189 without clinical evidence of ASCVD
- Individuals without ASCVD or diabetes with LDL-C between 70-189 with an estimated 10-years risk ASCVD >7.5%
What is High-Intensity statin therapy?
Lowers LDL-C by an average of 50%
- Atorvastatin 40-80mg
- Rosuvastatin 20-40mg
What is Moderate-Intensity Statin Therapy?
Lowers LDL-C 30-50%
1. Atorvastatin 10-20 mg
2. Rosuvastatin 5-10 mg
3. Simvastatin 20-40 mg
4. Pravaststin 40-80 mg
5. Fluvastatin 80 mg
6. Pitavastatin 2-4 mg
What is Low-Intensity Statin Therapy?
Lowers LDL-C by 30%
1. Simvastatin 10 mg
2. Pravastatin 10-20 mg
3. Lovastatin 20 mg
4. Fluvastatin 20-40 mg
5. Pitavaststatin 1 mg
Other agents used for cholesterol reduction
- Cholestyramine (Questran)
- Colesevelam (Welchol)
- Colestipol (Colestid)
- Gemfibrozil (Lopid)
- Fenofibrate (Tricor)
- Fenofibric Acid (Trillpix)
- Ezetimbe (Zetia)
- Niacin (Vitamin B3)
What is MI and ACS?
Sudden cardiac death due to coronary artery disease and cardiomyopathy
What are 5 clinical manifestations of AMI?
- Alteration in typical anginal pain
- NTG has little effect
- Diaphoresis
- Weakness
- Impending doom
- Apprehension
- Light-headedness
- Syncope
- Dyspnea
- Cough
- Nausea
- Vomiting
Physical Exam findings for AMI
- Dysrhythmia
- Presence of S4
- Wheezing
- Pulmonary crackles
- Low-grade fever
- Tachycardia
Laboratory and Diagnostic findings for AMI
- Peaked T waves
- ST elevation
- Cardiac enzyme elevation
- Leukocytosis
- Heart Block
Management for AMI
- ASA 325
- NTG x3 every 5 minutes
- Oxygen and IV
- ECG
- Morphine 2-4 mg
- Furosemide 40 mg IVP
- Heparin or Lovenox
- Coagulation monitoring
Therapeutic value for MI
INR 2.5-3.5 times the normal
APTT, PT, PTT 1.5-2.5 times the normal
Indications for pharmacologic revascularization in MI
- Unrelieved chest pain between 30 minutes and up to six hours with ST elevation in 2 or more leads
- Medications used for MI is alteplase and tenectaplase
Contraindications for Pharmacologic Revascularizatrion
- Prior ICH
- Cerebral neoplasm
- Ischemic stroke within 3 months
- Suspected aortic dissection
- Actively bleeding or risk of active bleeding
- Closed head/facial trauma within 3 months
- Intracranial or Intraspinal surgery within 2 months
- Uncontrolled Hypertension
What is PVD?
Peripheral vascular disease is arteriosclerotic narrowing of the lumen of the arteries resulting in decreased blood supply to the extremities
What are common causes of PVD?
- Atherosclerosis
- Age: 40-70
- Hyperlipidemia
- Smoking
- Diabeties Mellitus
What are signs and symptoms of PVD?
- Claudication
- Cold/numb extremities
- Pain at rest
Physical exam findings indicative of PVD
- Shiny/hairless skin
- Digital rubor
- Pallor
- Cyanosis
- Ulcerations
- Reduced pulses
Labs/Diagnostics for PVD
- Doppler U/S
- ABI
- XRAY
- Arteriography
Management for PVD
- Smoking Cessation
- Exercise
- Pletal
- Weight reduction
- Diabeties and cholesterol management
- Angioplasty
- Bypass Surgery
- Amputation
What is CVI?
Chronic Venous Insufficiency is impaired venous return due to destruction of the valave, a dvt, leg trauma, or sustained venous pressure seen in heart failure
What are the common etiologies of CVI?
- Female
- Genetics
- History of leg trauma
Signs and symptoms of CVI
- Aching of lower extremities relieved by elevation
- Edema after prolonged standing
- Night cramps of the lower extremities
Physical exam findings in CVI
- Trophic changes with brownish discolaraion
- Stasis leg ulcers
- Edema of lower extremities
- Dermatitis
- Cool to touch
Laboratory and diagnostic findings in CVI
Rule-out other causes of edema like CHF, DVT, and May-Thurner syndrome
CVI Management
- Bed rest with legs elevated to diminish chronic edema
- Use of heavy-duty elastic support stockings
- Weight reduction
- Treat dermatitis and ulcers as indicated
Acute weeping dermatitis management
Tap water compresses
Hydrocolloid dressings
Hydrocortisone cream
What is Pericarditis?
Inflammation of the pericardium
What the common etiologies of Pericarditis?
- Virus (most common cause)
- MI
- Renal failure
- Endocarditis
- Drug/Trauma
- Idiopathic
Signs and symptoms of Pericarditis
- Chest pain
- Pain increased with deep inspiration, coughing, or swallowing
- Pain relieved by sitting forward
- Dyspnea related to pain with inspiration
Physical exam finding for Pericarditis
- Pericardial friction rub
- Plural friction rub
- Fever
Laboratory/Diagnostic findings in Pericarditis
- ST elevation in all leads
- Depression of PR segment
- ESR elevation
- Positive blood cultures
- CBC positive for infection
- Echocardiogram reveals pericardial fluid
- BMP at patients baseline
Management of Pericarditis
- NSAIDS
Indomethacin
Ketoralac
Ibuprofen - Corticosteroids
- Antibiotics
- Monitor for tamponade
Exam findings indicitive of tamponade
- Hypotension
- JVD
- Muffled/Distant heart sounds
- Pulsus paradoxus
What is Endocarditis?
Endoarditis is an infection of the endothelial surface of the heart that usually affects the valves
Common causes of endocarditis
- Bacteria
- Rheumatic disease
- Aortic/Mitral valve prolaspe
- Recent dental/oropharyngeal surgery
- GU or Resp. surgery
- Congenital heart disease
- Prolonged use of TPN
- Burn patients
- Hemodialysis
Signs and symptoms of Endocarditis
- Fever
- Malaise
- Night sweats
- Weight loss
- Generally feels sick
Physical exam findings for endocarditis
- Murmur
- Fever
- Osler nodes
- Petechiae, purpura, pallor
- Splinter hemorrhages
- Janeway lesions
- Roth spots
What are Oslers nodes?
Painful red nodules in the distal phalanges
What are splinter hemorrhages?
Linear, subungal, splinter-appearing in the nail bed
What are Janeway lesions
Small painless macules on palm and soles
What are Roth spots?
Small retinal infarcts, white in color, encircled by areas of hemorrhage
Lab/Diagnositic findings for endocarditis
- Leukocytosis
- Left shift bands
- Valvular damage
- Blood culture x3
- ESR elevation
Management of Endocarditis
Empiric therapy with Vancomycin until culture results are available
Gerontological cardiovascular changes
- Aterial wall thicken reducing compliance
- The heart hypertophies
- Sclerosis of veins
- Maximum HR decreases
- Barorecptors are less sensitive to blood pressure hanges
- Circulatory changes with decreased blood flow
- Arterosclerosis and atherosclerosis