Search This Blog

468x60.

728x90

cmecde 9858

 



GI medicine and urology

Station 24 Hernia examination 63

Table 12. Differential diagnosis of a lump in the groin

Superior to the inguinal ligament Inferior to the inguinal ligament

Indirect or direct inguinal hernia.

Incisional hernia.

Sebaceous cyst.

Lipoma.

Undescended testis.

Femoral hernia.

Lymph node.

Sebaceous cyst.

Lipoma.

Saphena varix.

Femoral artery aneurysm.

Psoas abscess (rare).

Undescended testis.

Scrotal mass (see Station 27).

Before starting

Introduce yourself to the patient.

Explain the examination and obtain consent.

Ask for a chaperone.

Ask the patient to lie on the couch and to expose his abdomen from the umbilicus to the knees.

Ensure that he is comfortable.

Warm up your hands.

Ensure the patient’s dignity at all times.

The examination

Inspection and palpation

Inspect the groins(both sides!) for an obviouslump. If a lump is visible, determine itslocation in

relation to itssurrounding anatomical landmarks. Also determine itssize,shape, colour, consistency, and mobility. Is it tender to touch? Can it be transilluminated? (See Station 9: Examination

of a superficial mass and of lymph nodes.)

Look for old surgical scars (incisional hernia).

Ask the patient to stand up and look again.

Cough impulse and cough tests

(The patient is still standing.)

Ask the patient to cough and look again.

Test the lump for a cough impulse. Place two fingers over the lump and ask the patient to

cough once more.

If you are satisfied that the lump is an inguinal hernia, ask the patient to reduce the lump. Once

the lump is fully reduced, place two fingers over the internal ring and ask the patient to cough.

– if the lump does not reappear it is an indirect inguinal hernia. Release your fingers and ask

the patient to cough again

– if the lump reappears medially it is a direct inguinal hernia

Once again ask the patient to reduce the lump. This time place two fingers over the external

ring and ask the patient to cough.


Clinical Skills for OSCEs

64 Station 24 Hernia examination

– if the lump does not reappear it is a direct inguinal hernia. Release your fingers and ask the

patient to cough again

– if the lump reappears laterally it is an indirect inguinal hernia

Percuss the lump for resonance (bowel involvement).

Auscultate the lump for bowel sounds (bowel involvement).

Figure 19. The cough test with two fingers over the internal ring (A) and then over the external ring (B).

After the examination

Indicate that you would also examine the femoral pulses, inguinal lymph nodes, and scrotum.

Cover up the patient.

Ensure that he is comfortable.

Thank him.

Summarise your findings and offer a differential diagnosis. Don’t fret over your diagnosis as

even experienced surgeons are notoriously poor at differentiating between indirect and direct

inguinal hernias. Apart from inguinal and femoral hernias, other (more rare) types of hernia are

epigastric hernias that occur in the epigastric area in the midline, Spigelian or semilunar hernias that occur on the outer border of the rectus muscles, umbilical and paraumbilical hernias

that occur at or around the navel, and incisional hernias that occur at the site of an old surgical

incision.

Wash your hands.

Direct hernia

(A) (B)

Indirect hernia Direct hernia Indirect hernia


65GI medicine and urology

Station 25

Nasogastric intubation

Specifications: A mannequin in lieu of a patient.

Choice of NG tube

Nasogastric (NG or Ryle’s) tubes can be used for feeding or drug administration, to decompress the

stomach, to obtain a sample of gastric fluid, or to drain the stomach’s contents (e.g. after an overdose

or if emergency surgery is required). If the tube is being used for aspiration or drainage, a gauge of 10

or greater is required. If not, a fine bore tube should be preferred.

The equipment

A pair of non-sterile gloves Tape

An NG tube of appropriate size Stethoscope

K-Y/lubricant jelly A 20 ml syringe and some pH paper

Xylocaine spray A spigot or catheter bag

A glass of water with a straw A vomit bowl

Before starting

Introduce yourself to the patient.

Explain the need for an NG tube and the procedure for inserting it, and ensure consent.

Position the patient upright and ask about nostril preference/examine the nostrils.

Ensure that the patient is comfortable.

The procedure

Gather the equipment.

Wash your hands and don the gloves.

Measure the length of NG tube to be inserted by placing the tip of the tube at the nostril and

extending the tube behind the ear and then to two fingerbreadths above the umbilicus.

Lubricate the tip of the NG tube with K-Y jelly.

Spray the preferred nostril with xylocaine or indicate that you would do so.

Insert the NG tube into the preferred nostril and slide it along the floor of the nose into the

nasopharynx (aim straight back towards the occiput).

Ask the patient to tilt his head forward and to swallow some water through a straw as you continue to advance the tube through the pharynx and oesophagus and into the stomach. Each

time the patient swallows, advance the tube a little bit further.

If the patient coughs or gags, slightly withdraw the tube and leave him some time to recover.

Insert the tube to the required length.

Ensure that the tip of the tube is in the stomach.

– inject 20 ml of air into the tube and listen over the epigastrium with your stethoscope

– pull back on the plunger to aspirate stomach contents. Test the aspirate with pH paper to

confirm its acidity (pH < 6). If a fine-bore tube has been inserted, it may not be possible to

aspirate stomach contents

– request a chest X-ray or indicate that you would do so

Tape the tube to the nose and to the side of the face.

Attach a spigot or catheter bag to the NG tube.


Clinical Skills for OSCEs

66 Station 25 Nasogastric intubation

After the procedure

Ask the patient if he has any questions or concerns.

Ensure that he is comfortable.

Thank him.

Make an entry in the patient’s notes confirming that the NG tube has been successfully placed.

[Note] The principal complications of NG tube insertion are aspiration and tissue trauma.


67GI medicine and urology

Station 26

Urological history

Before starting

Introduce yourself to the patient.

Confirm his name and date of birth.

Explain that you are going to ask him some questions to uncover the nature of his urological

complaint, and obtain consent.

Ensure that he is comfortable.

The history

Name, age, and occupation.

Presenting complaint and history of presenting complaint

Ask about the main presenting complaint. Ask open questions.

Elicit the patient’s ideas, concerns, and expectations.

Determine the time course of events and the severity of the problem.

Ask specifically about:

– pain: for any pain, ask about site, onset, character, radiation, associated factors, timing

(duration), exacerbating and relieving factors, and severity

– fever

– frequency: “Are you passing water more often than usual?”

– nocturia: “Do you find yourself waking up in the middle of the night to pass water?” “How often?”

– urgency: “When you need to pass water, how long can you wait?”

– incontinence: “Are there times when it can no longer wait and you end up going there and then?”

– dysuria: “When you pass water, is there any pain or burning?”

– haematuria: “When you pass water, is there any blood in your urine? Does it colour all of your

urine or only some of it?”

– hesitancy, poorstream and terminal dribbling (if male): “When you are standing at the toilet do

you have to wait before you are able to pass water? Is the jet as strong as it ever was? What about

after, does urine continue to trickle out?”

– back pain, leg weakness, fatigue, weight loss, nausea, anorexia, itching

– vaginal/urethral discharge, genital sores

– testicular masses, testicular pain

– sexual dysfunction

– sexual contacts

Past medical history

Past urological problems.

Ask specifically about UTI, renal colic, diabetes mellitus, hypertension and vascular disease, and

gout.

Current, past, and childhood illnesses.

Surgery.

Drug history

Prescribed medication including anticholinergics and anticoagulants.

Over-the-counter medication.

Recreational drugs.

Allergies.


Clinical Skills for OSCEs

68 Station 26 Urological history

Family history

Parents, siblings, and children. In particular, has anyone in the family had a similar problem?

Ask specifically about polycystic kidney disease and bladder cancer.

Social history

Employment. Has the patient ever worked with chemicals or dyes?

Housing.

Travel.

Alcohol consumption.

Smoking.

After taking the history

Ask the patient if there is anything he might add that you have forgotten to ask about.

Thank the patient.

State that you would carry out abdominal and genital examinations and order some key investigations, e.g. urine dipstick, urine microscopy and culture, U&Es, PSA levels, cystoscopy, CT KUB

(Kidney, Ureter, Bladder).

Summarise your findings and offer a differential diagnosis.

Conditions most likely to come up in a urological history station

Urinary tract infection:

Most common in young females.

Common symptoms are frequency, urgency,

dysuria, haematuria, and a pressure above the

pubic bone.

If the infection is above the bladder, there

may be fever, nausea, and back pain.

There may be a history of recent sexual

intercourse.

Benign prostatic hypertrophy:

Most common in elderly males.

Common symptoms are frequency, nocturia,

urgency, incontinence, hesitancy, poor stream

and intermittency, and terminal dribbling.

Prostate carcinoma:

Most common in elderly males.

Symptoms, when present, are similar to those

seen in benign prostatic hypertrophy with

the possible addition of dysuria, haematuria,

sexual dysfunction, weight loss, and bone

pain.

There may be a family history.

Bladder carcinoma:

Three to four times more common in males

than in females.

More common in the elderly.

Painless haematuria is characteristic, but

there may also be dysuria and/or frequency.

Associated with smoking and occupational

exposure to chemicals and dyes.

Renal calculus:

More common in males than in females.

Severe pain in the loin that radiates to the

groin.

the pain is often colicky but it may be

constant.

The pain may be associated with nausea and

vomiting.

Haematuria is a common finding.

Dehydration is a common predisposing factor.


69GI medicine and urology

Station 27

Male genitalia examination

Specifications: You may be asked to examine the male genitalia on a real patient or, more likely, on

a pelvic mannequin.

Before starting

Introduce yourself to the patient.

Confirm his name and date of birth.

Explain the examination and obtain consent.

Ask for a chaperone.

Ask the patient to lie on the couch and expose his groin area.

Ensure that he is comfortable.

Ensure the patient’s comfort and dignity at all times.

The examination

General inspection

From the end of the couch observe the patient’s general appearance. The patient’s age can give

you an indication of the most likely pathology.

In particular, note the distribution of facial, axillary, and pubic hair.

Look for gynaecomastia.

Inspection and examination of the male genitalia

Penis

Inspect the penis for lesions and ulcers.

Retract the foreskin and examine the glans penis and the external urethral meatus for red

patches and vesicles. Is there a discharge? Can a discharge be expressed? If there is a discharge,

indicate that you would swab it for microscopy and culture. Remember to replace the foreskin.

Scrotum

Inspect the scrotum for redness, swelling, and ulcers. Are the testicles present? Is their lie normal? If a testicle is absent, is it retracted or undescended? If you find a scar, the absent testicle

may have been surgically removed.

Be conscious of the patient’s face in case of pain, and palpate:

– the testis

– the epididymis

– the spermatic cord

If you locate a mass, try to get above it. If you cannot, it islikely to be a hernia so test for a cough

impulse (see Station 24). Determine the size, shape and consistency of the mass.

Next, transilluminate the mass using a pen torch. Is it a cyst or a solid mass? If it is a cyst, is it a

hydrocoele or an epididymal cyst? If it is a solid mass, is it tender? Is it testicular or epididymal?

If you suspect a varicocoele, a collection of varicosities in the pampiniform venous plexus, examine the patient in the standing position and test for a cough impulse. Note that varicocoeles

are almost invariably left-sided.


No comments:

Post a Comment

اكتب تعليق حول الموضوع

mcq general

 

Search This Blog