Cardiovascular and Resp Flashcards
CVS causes of clubbing?
IE, cyanotic congenital heart disease
Types of pansystolic murmurs
MR, TR, VSD, aortopulmonary shunt
What type of murmurs are common in children and high output states?
Ejection systolic
Name two high output states
Pregnancy, tachy
What heart sound is caused by calcified aortic valve or aortic regurg
Softer second heart sound
In systemic hypertension what happens to S2?
Louder
Causes of postural hypotension (HANDI)
hypovolaemia (dehydration), hypopituitarism, addisons, neuropathy (autonomic eg diabetes), drugs, idiopathic
Drugs that cause postural hypotension
anti-hypertensives, anti-psychotics, tricyclics, diuretics, vasodilators
How does jaundice occur as CVS sign?
Severe CCF backing in to liver–>congestion
A rare cause is prosthetic valves causing RBC haemolysis
Radiofemoral delay=
Coarctation of aorta (narrowing of aorta at ductus arteriosus joins descending aorta)
Radio-radio delay causes
Subclavian narrowing by atherosclerosis, aneurysm, subclavian steel, dissection
Bounding pulse is characteristic of what?
Aortic regurgitation
Pulsus alternans is characteristic of what?
LV failure
Clubbing is defined as…
loss of hyponichial angle (depth of DPD>IPD)
Causes of pulsus paradoxus
Pericarditis, pericardial effusion, asthma
Mitral facies are caused by…
pulmonary hypertension + low cardiac output usually from mitral stenosis (rare now)
Slow rising pulse =
aortic stenosis
Describe kussumals sign
Rise of JVP on inspiration (usually a fall due to increased RV filling) due to restricted RV filling that can be caused by cardiac tamponade, constrictive pericarditis or RV infarction)
How high can JVP be above sternal angle?
3cm
5 things to Distinguish JVP from carotid…
- change with breathing/posture
- adominojugular reflex
- fills from above
- double wave form
- not palpable
common cause of canon a wave
complete heart block (atria contacts against closed tricuspid- everything out of whack)
Signs of LV failure
exertional dyspnoea, orthopnoea, PND, central and peripheral cyanosis
Tachycardia, low pulse pressure, pulsus alternans
Displaced apex beat
S3, mitral regurg
Basal inspiratory crackles
Central cyanosis=
pulmonary oedema
Peripheral cyanosis=
low cardiac output
Cheyne stoke breathing is…
periods of hyperventilation progressing followed by period of apnoea (this is cyclical). caused by loss of control of respiratory system negative feedback
Causes of LV failure
Ischaemic Heart Disease, Cardiomyopathy, Valvular disease (MR/AR), Hypertension
Precipitating causes of LV failure
Anaemia, Thyrotoxicosis, AF
3 ejection systolic murmurs
AS, PS, HOCM
How does HOCM cause double impulse in ejection systolic murmur?
anterior movement of mitral valve in early systole causes blockage and results in double pulsation
What is HOCM and why dangerous?
Congenital defect in sarcomeres causing hypertrophy and myocardial disarray. Can cause sudden cardiac death
HOCM symptoms
similar to CCF, but treatment vastly different (diuretics make it worse!)
How HOCM differs from concentric hypertrophy from hypertension
HOCM is usually assymetric (just septal)
Causes of cardiomyopathy?
IHD, valvular, alcohol, idiopathic, drugs, pregnancy, BP, thyroid, haemochromatosis, viral, diabetes
Describe murmur of MVP?
Late systolic + midsystolic click
Early diastolic murmurs
Aortic/pulmonary regurg
Mid-diastolic murmurs
mitral stenosis
Why do fundoscopy for CVS exam?
Hypertension/diabetes, roth spots in IE
Other examination for CVS exam
temp, urine, lying/standing BP
Ankylosing spondylitis is linked with which murmur?
Aortic regurg
What type of murmurs are louder on inspiration?
right sided
What murmur is louder with valsava? all else decreased
HOCM
What murmur is louder with handgrip?
MR
Which murmurs get louder with forward lean?
Aortic regurgitation, pericardial rub
What is a 4th heart sound?
atrial contraction against stiff ventricle
Symptoms of RV failure
ankle, sacral oedema, abdo distension peripheral cyanosis large v wave right ventricular heave pansystolic mrumur-->tricuspid regurg pulsatile liver
Causes of RV failure?
pulm HTN, LV fail, MI, cardiomyopathy, valvular
Symptoms of Aortic stenosis
exertional chest pain, exertional dyspnoea, exertional syncope, small volume pulse
Murmur of aortic stenosis
Ejection systolic, loudest over aortic area with radiation to carotids. Often associated aortic regurgitation
What is austin flint murmur?
strong aortic regurg causing mitral regurg
things to look for on general inspection
cyanosis, dyspnoea (obvious distress), scars, deformities
murmurs to suspect with severe sudden onset chest pain
MR (papillary muscle rupture), VSD from an MI