General Part · 2019-05-30 · Surface Anatomy. Finding The Sternal Manubrial Angle (AKA Angle of...
Transcript of General Part · 2019-05-30 · Surface Anatomy. Finding The Sternal Manubrial Angle (AKA Angle of...
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General Part
Head and Neck
Cardiovascular
Abdomen
Lung
Muscles
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Review of Systems
• All organ systems have a review of
symptoms
• Questions designed to uncover problems
in that area
• Clinicians need to know the right questions
– as well as what the responses might
mean!
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Cardiovascular Exam
• Includes Vital Signs (see earlier lecture), in
particular:
– Blood pressure
– Pulse: rate, rhythm, volume
• Includes Pulmonary Exam
• Includes (today) assessment distal
vasculature (legs, feet, carotids) - vascular
disease (atherosclerosis) systemic!
• 4 basic components:
– Observation, Palpation, Percussion
(omitted in cardiac exam) & Auscultation
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Management &
Appropriately/Respectfully Touching
Your Patients
• Several Sources of Tension:– Area examined reasonably exposed – yet patient
modesty preserved
– Palpate sensitive areas to perform accurate exam -requires touching people w/whom you’ve little acquaintance – awkward, particularly if opposite gender
– Exam not natural/normal part of interpersonal interactions - as newcomers to medicine, you’re particularly aware & hence sensitive → a good thing!
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Keys To Performing a Respectful
& Effective Exam
• Explain what you’re doing (& why) before doing it→
acknowledge “elephant in the room”!
• Expose minimum amount of skin necessary - “artful” use
of gown & drapes (males & females)
• Examining heart & lungs of female patients:– Ask pt to remove bra prior (can’t hear well thru fabric)
– Expose side of chest to extent needed– Enlist patient’s assistance→ positioning breasts to enable
cardiac exam
• Don’t rush, act in a callous fashion, or cause pain
• PLEASE… don’t examine body parts thru gown:– Poor technique
– You’ll miss things
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Observation
• Pay attention to:
– Chest shape
– Shortness of breath (@ rest or walking)?
– Sitting upright? Able to speak?
– ? Visible impulse on chest wall from
vigorously contracting ventricle (rare)
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Surface
Anatomy
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Finding The Sternal Manubrial
Angle (AKA Angle of Louis) – Key
To Identifying Valve Areas
Manubrium
Sternum
Angle of
Louis
1st Rib
Sternum
Clavicle Clavicle
Manubrium
Angle
Of Louis
2nd Rib
2nd ICS
Manubrium slopes in one direction while Sternum angles in different
direction. Highlighted by q-tips→intersection defines Angle of Louis.
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Valves And Surface
Anatomy
• Areas of auscultation correlate w/roughlocation of ea valve
• Where you listen will determine what you hear!
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Palpation
Right Ventricle
• Vigor of contractility– Felt with heel of hand
– Prominence described as a “lift” or “heave”
• Thrill – rare palpable sensation associated w/regurgitant or stenotic murmurs (feels like sensation when kink garden hose)
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Palpation - TechniqueL ventricle
- Fingers across chest,
under breast (explain 1st to
female pts!)
– Point of Maximal Impulse
(PMI) → apex ventricle that
pin-points w/finger tip;~70% of patients - if not palpable, repeat w/patienton L side
- Size of LV – increased dimension if PMI shifted to L of mid-clavicular line
– Vigor of contraction
– Palpable thrill (rare)For Female Patients
For Male Patients
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Palpation – Technique (cont)
• Right ventricle:
– Vigor ofcontractility
→ heel of R hand along
sternum
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Auscultation: Using Your Stethescope
They all work - most
important part is
what goes between
the ear pieces!
Diaphragm→Higher
pitched sounds
Bell→ Lower pitched
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What Are We Listening For?
• Normal valve closure
creates sound
• First Heart Sound =s
S1→ closure of Mitral,
Tricuspid valves
• Second Heart Sound
=s S2→ closure of
Pulmonic, Aortic
valves
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What Are We Listening For?
• Systole =s time between S1 & S2; Diastole =s time between S2 & S1
• Normally, S1 & S2 = distinct sounds
• Physiologic splitting =s 2 components of second heart sound (Aortic & Pulmonic valve closure) audible w/inspiration
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Auscultation Technique
• Patient lying @ 30-45 degree incline
• Chest exposed (male) or loosely fitted gown
(female)
– need to see area where placing stethescope
– stethescope must contact skin
• Stethescope w/diaphragm (higher pitched
sounds) engaged
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NO!Qui ckT im e ™ and a
decom pr essor
ar e needed to see this pi c tur e.
NO!
NO!
Remember – Don’t Examine Thru Clothing or
“Snake” Stethoscope Down Shirts/Gowns !
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Good Exam Options When Ausculting Patients
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Auscultation Technique (cont)
1. Start over Aortic area→2nd Right Intercostal
Space (ICS) – Use Angle of Louis as landmark
2. Pulmonic area (2nd L ICS)
3. Inch down sternal border→ Tricuspid area (4th
L ICS)
4. Inch towards Mitral area (4th ICS, mid-
clavicular)
Listen in ~ 6 places - precise total doesn’t matter –
gives you sense of change In sounds as
change location
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Auscultation
• In each area, ask yourself:
– Do I hear S1? Do I hear S2? Which is louder & what are relative intensities?
• Interval between S1 & S2 (systole) is shorter then between S2 & S1 (diastole)
• Can also determine timing by simultaneously feeling pulse (a systolic event)
• Listen for physiologic splitting of 2nd heart sound w/inspiration
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Murmurs
• Murmurs: Sound created byturbulent flow across valves:– Leakage (regurgitation) when
valve closed
– Obstruction (stenosis) to flow when normally open
• Systolic Murmurs:– Aortic stenosis, Mitral
regurgitation (Pulmonary stenosis, Tricuspid regurgitation)
• Diastolic Murmurs:– Aortic regurgitation, Mitral
stenosis (Pulmonary regurgitation, Tricuspid stenosis)
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Murmurs (cont)• Characterized by: position in cycle, quality, intensity, location,
radiation; can try to draw it’s shape:
• Intensity Scale:
1 –barely audible 2- readily audible 3- even louder 4- loud + thrill5- audible with only part of diaphragm on chest 6 – audible w/outstethescope
• intensity doesn’t necessarily correlate w/severity
• Some murmurs best appreciated in certain positions:
Mitral: patient on L side; Aortic: sitting up and leaning forward
• Example – Mitral Regurgitation: Holosystolic, loudest in mitral area, radiates towards axilla.
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Extra Heart Sounds – S3 & S4• Ventricular sounds, occur during diastole
– normal in young patient (~ < 30 yo)
– usually LV, rarely RV
• S3 →follows S2
– caused by blood from LA colliding w/”left over”
blood in LV
– assoc w/heart failure.
• S4→precedes S1
– caused during atrial systole
– when blood squeezed into non-compliant LV
– assoc w/HTN
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Extra Heart Sound (cont)
• S3 & S4 are soft, low pitched
• Best heart w/bell, laid over LV, w/patient lying on L side (brings apex of heart closer to chest wall) – can also check over RV (4th ICS, L parasternal)
• Abnormal beyond age ~30
• When present, S3 or S4 are referred to as “gallops”
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Auscultation – An Ordered
Approach
• Do I hear S1? Do I hear S2?– Listen in ea major valvular area – think about which sound
should be loudest in ea location (S1 loudest region of TV & MV, S2 loudest AV & PV)
• Do I hear physiologic splitting of S2?• Do I hear something before S1 (an S4) or after S2 (an
S3)?
• Do I hear murmur in systole? In diastole?
• If a murmur present, note:– intensity, character, duration, radiation
• As listen, think about mechanical events that generate the sounds.
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Carotid Arteries
• Anatomy
• Palpation (ea side separately!)– Rhythm
– Fullness
• Auscultation– Radiation of murmurs
– ? Intrinsic atherosclerosis –may produce “shshing” noise known as bruit
http://sfgh.medicine.ucsf.edu
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Jugular Venous Pressure (JVP)
• Anatomy of Internal
Jugular Vein
• Straight line with RA
• Manometer→
reflecting Central
Venous Pressure
(CVP)
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JVP Technique
• Find correct area – helps to first identify SCM & triangle it forms w/clavicle
• Look for multi-phasic pulsations (‘a’, ‘c’ & ‘v’ waves)
• Isolate from carotidpulsations, respirations
• Tangential lighting
• Hepatojugular reflux (gentle pressure over liver pushes blood back into IJ & makes pulsations more apparent)
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Lower Extremity Vascular Exam –
General Observation, Including
Femoral Region
• Expose both legs, noting: asymmetry, muscle atrophy, joint (knee, ankle) abnormalities
• Focus on Femoral Area:
– Inspect - ? Obvious swelling→ femoral hernia v large lymph nodes (rare)
– Palpate lymph nodes
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Femoral Region (cont)
• Identify femoral
pulse
• Listen over femoral
artery with
diaphragm
stethescope for
bruits (if suggestion
vascular disease by
hx, exam)
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Popliteal Pulse (behind the Knee)
• W/knee slightly bent,
push fingers into
popliteal fossa → assess
popliteal artery
• Detailed examination of
internal structures knee
(ligaments, meniscus,
etc) → later in year!
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Vascular Disease of The Lower Leg
Components:
– outflow (arterial)
– return (venous, lymphatic)
Clinical Presentations:
Arterial:
pain (supply-demand)
wound healing
RFs for atherosclerosis
Venous:
Edema
Local v systemic etiology
Lymph (uncommon):
Edema (uncommon)
obstruction, disruption
Away
Return
Arterial Venous
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Clinical Appearance – Varies w/Type
of Vascular Disease
Lymphedema
PeripheralArterial
Disease
Venous Insufficiency
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Feet and Ankles
• Lower leg & feet @
greatest risk
atherosclerosis and
neuropathy (in U.S.) –
particularly if Diabetes
• Observe
– ? swelling (edema),
discoloration, ulcers,
nail deformities
– Look @ bottom of
feet, between toes
(problem areas)
– Symmetry?
Blue discoloration
from chronic venous
insufficiency
Red discoloration
from acute infection
Nail thickening and
discoloration from chronic
fungal infection
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Feet and Ankles (cont)
• Palpation
– Temperature: Use back of examining hand -
warm→inflammation; cool→atherosclerosis
&/or hypo-perfusion
– Capillary refill: push on end of toe or nail bed
& release→ color returns in < 2-3 seconds;
longer→ atheroscloerosis &/or hypo-perfusion
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Feet and Ankles - Edema• Change in balance of starling
forces (pressures in vessels v
tissues; oncotic forces in vessels v
tissues) Edema
• Local leg problems:
– Deep Vein Thrombosis
– Infection, trauma
– Lymphatic obstruction
• Systemic problems:
– Heart failure
– Pulmonary dz (pulmonary htn,
sleep apnea, thrombosis, etc.)
– Kidney disease
– Liver disease
– Venous stasis
Left Heart
Failure
Right Heart
Failure (from
L side or primary
Pulmonary d/o)
Severe Liver Dz –
Don’t make proteins
& increased
Portal resistance
Clot in
IVC
Deep Vein
Clot
Kidney Dz -
Can’t excrete
Fluid and/or
Loss of
Proteins
Venous Stasis
Immobility, failed
pumping actionLocal
Infection or
trauma
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Quantifying Edema
• One marker of volume
status
• trace (minimal), can be
subtle loss of tendons on
top of foot, contoursEdema obscuring tendons,
edge of malleolous
4+ edema with pitting
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Dorsalis Pedis Pulse
• Palpate Dorsalis Pedispulse
– Just lateral to extensor tendon great toe
– Use pads of 2-3 fingersof examining hand
– Push gently
– If unsure whether feeing your pulse v patient’s, measure your carotid or their radial w/other hand
– Graded 0 (not detectable) to 2+ (normal)
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Posterior Tibial Pulse
• Palpate Posterior Tibial Pulse– Located posterior to
medial malleolous
– Start on top of mallelous & work towards achilles
– Use pads of 2-3 fingers, pushing gently
– Same rating scale as for dorsalis pedis
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Summary Of Skills□ Wash hands; gown & drape appropriately
□ Inspect precordium
□ Palpation of RV and LV; Determination PMI
□ Auscultation – patient @ 30 degrees
□ S1 and S2 in 4 valvular areas w/diaphragm
□ Try to identify physiologic splitting S2
□? Murmurs
□ Assess for extra heart sounds (S3, S4) w/bell over LV
□ Carotid artery palpation, auscultation
□ Jugular venous pressure assessment
□ General lower extremity observation
□ Assess femoral area (palpation for nodes, pulse); auscultation over fem art
□ Knees – color, swelling; popliteal pulse
□ Assess ankles/feet (color, temperature, pulses, edema, cap refill)
□ Wash hands
Time Target: ~ 15 min
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Abdominal Exam
• 4 Elements: Observation, Auscultation,
Percussion, Palpation
• Pelvic, male genital & male/female rectal
exams all critical parts of Abdomen exam
→ covered later in the year
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Surface
Anatomy
UmbillicusSupra-PubicArea
Epigastric Area
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Observation & Draping• Exposure → Drape for
success – expose what you
need to see!
• Use sheet to cover lower 1/2
• Good lighting, warm room, table
flat, hands at side, head resting
on table
• +/- Feet flat on table
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Observation & Draping• Exposure → Drape for
success – expose what you
need to see!
• Use sheet to cover lower 1/2
• Good lighting, warm room, table
flat, hands at side, head resting
on table
• +/- Feet flat on table
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Observation (cont)
• Make note of :– general shape
– contours
– symmetry
– color
– scars
• ? easiest to make observations from foot of bed.
• Examine from right side
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Examples of Abnormal Findings
On Observation
Obese Ascites (fluid), YellowEnlarged gall
bladder
Umbilical Hernia (Right with Valsalva)
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Auscultation
• Normal intestinal propulsion of
food (peristalsis) generates
noise (Borborygmi)
• Listen (diaphragm of
stethoscope) x 15-20 seconds in
4 quadrants
• Pay attention to: presence,
quantity (normal ~ 2-5 seconds),
& quality of sounds
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Auscultation (cont)
• Clinical utility:
– Intestinal Obstruction:
Increased frequency early
(“rushes’) → declines in
quantity, increase pitch
(“tinkles”) → stop
– After handled (surgery) → no
function or noise (ileus) →
w/normal recovery, noise
returns
– Infection of mucosa
(gastroenteritis) → increased
frequency
• No findings pathognomonic
• Auscultation not helpful in
otherwise normal exam
• Clinical context most important
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Auscultation (cont)
• Bruits - sounds of
turbulent arterial flow
→ atherosclerosis
• Listen over:
– Renal arteries
(several cm above
umbilicus, either side
rectus)
– Iliac arteries (below
umbilicus)
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Percussion
• Same principle as Lung
• Tapping over solid or liquid filled structure→
dull tone; air filled → tympanitic (resonant)
• Percussion → what’s beneath
skin & bones – e.g: liver → dull; air filled
stomach → tympanitic
• Abdomen not designed w/1st yr med students in mind!
- Important solid structures protected: liver &
spleen by ribs; pancreas & kidneys deep in
retro-peritoneum; bladder & uterus in pelvis
- Central abdomen filled w/intestines: freely
moving→ promotes peristalsis, tolerates direct
trauma
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Percussion Technique
• Stand on R
• Middle finger of non-
percussing hand firmly
against abdomen
• Using floppy wrist
action, hammer middle
finger of other hand
down, aiming for last joint
• Percuss all 4 quadrants
– normal =‘s mix of dull
and tympanitic
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Percussion Technique (cont)
• Liver span (6-12 cm) – Start in
chest, below nipple (mid-clavicular
line) & move down – tone
changes from resonant (lung) to
dull (liver) to resonant
(intestines)
• Spleen – small, located in hollow
of ribs – percussion over last
intercostal space, anterior
axillary line should normally be
resonant – dullness suggests
splenomegaly
• Stomach – tympanitic
Resonance
to percussion
If normal (i.e.
spleen not
enlarged)
Stomach
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Percussion – Shifting Dullness
• Detect large
amounts of
pathological fluid
(ascites)
• Intestines will
float to surface
• Percussion can
detect air-fluid
interface
• Change in
position shifts
point of interface
“Intestines”
“Ascites”
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Palpation
• Most important
structures aren’t
palpable
• Warm your hands
• Generally right hand
used (left placed on top
or @ your side)
• Palpate using pads &
edges of middle 3 fingers
• Gentle pressure, no
sudden movements
• Think about what “lives”
in area you’re examining
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Palpation Technique
• First explore superficial
aspect each quadrant
(start R lower→ Rupper→L upper→L lower)
• Deeper palpationLiver
– Start R lower, moving uptowards R ribs
– Move hands a few cm up w/each palpation
– Push down (posterior) & then towards head
– As approach ribs, palpate while patient inspires deeply (diaphragm brings liver down towards hand)
– Might feel liver edge in normals (usually not)
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Palpation Technique (cont)
• Deeper Palpation (cont)
Spleen
– Palpate towards left upper
quadrant from midline &
below - use L hand to “pull”
spleen towards you
Aorta
– Above umbillicus, left of
midline
– Push down (deep)
w/palpating hand
Remainder of abdomen
– Uterus, bladder, other
(rarely palpable)
• Evaluate painful areas
last!
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Palpation/Percussion Of The Kidneys
Kidneys are
retroperitoneal structures,
deep & protected by the ribs
→ rarely palpable
• If markedly enlarged, may
appreciate in lateral aspects
abdomen (rare)
• Assess for tenderness via posterior
approach, tapping on back at Costo-
Vertebral Angle – if kidney infected
(pyelonephritis), patient will have
Tenderness (CVAT)
Area of Costo (rib)-
VetebralAngle(s)
Kidneys
Exposed Deep
Retroperitoneum
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Put Findings Together→ Paint The Best
Picture
Abdominal exam techniques compliment each
other!
• Ascites
– Observe distention,
bulging flanks
– Palpation→ no
evidence of mass
– Percussion→ shifting
dullness
• Enlarged liver
(hepatomegaly)
– Percussion indicates
extension of liver
below diaphragm
– Palpation confirms
location of lower edge
(also detects contour,
texture)
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Summary Of Skills□ Wash Hands
□ Observe abdomen (shape, contours, scars, color, etc)
□ Auscultate abdomen (bowel sounds, bruits)
□ Percuss abdomen (general; then liver & spleen)
□ Palpate 4 quadrants abdomen (superficial then deep)
□ Assess for kidney area pain (CVAT)
Time Target: < 10 Minutes