Surgery Flashcards
(125 cards)
Sx of anal fissures?
Bright red, painful rectal bleeding.
Typically seen in the posterior midline. Associated with constipation
Mx of anal fissures?
If <1 week soften stool, give topical analgesics and lubricate before defecation
If chronic use topical GTN 1st line. If ineffective after 8 weeks consider sphincterotomy surgery
What should you always test for first in a woman of child-bearing age with an acute abdomen?
Pregnancy test!
Even if they deny sexual activity
How can you differentiate between hypertrophic and keloid scars?
Hypertrophic = confined to the boundaries of the original wound
Keyloid = extend beyond the boundaries of the original wound
How do we manage oestrogen receptor positive breast cancer?
Tamoxifen if pre- or peri-menopausal
Aromatase inhibitors e.g. anastrozole if post-menopausal
How do we manage HER-2 positive breast cancer?
Herceptin
Which chemo is indicated in node positive and node negative breast cancer?
Node positive = FEC-D
Node negative = FEC
What are the 3 causes of a snow storm sign?
On USS of the axillary lymph nodes = breast implant rupture
On USS of the uterus = hydatiform mole
On CXR = thyroid metastases to the lungs
What is the most common type of breast cancer?
Invasive ductal carcinoma, no special type
Sx and Mx of a psoas abscess
Lower back pain, tender groin mass, fever and pain exacerbated on hip extension
Mx = percutaneous drainage or surgery
Where do you find a direct inguinal hernia? Who are they commonly seen in? What is the strangulation risk?
Superior and medial to the pubic tubercle and Medial to the inferior epigastric artery
Seen in adult males
Low risk of strangulation
Where do you find an indirect inguinal hernia? Who are they commonly seen in? What is the strangulation risk?
Superior and medial to the pubic tubercle and Lateral to the inferior epigastric artery
Seen in adult and infant males
Low risk of strangulation
Where do you find a femoral hernia? Who are they commonly seen in? What is the strangulation risk?
Below the inguinal ligament and lateral to the pubic tubercle.
Seen in adult females
High risk of strangulation
Which drugs can be given to reduce the formation of calcium renal stones?
Thiazide like diuretics
Which drugs can be given to reduce the formation of urate renal stones?
Bicarbonate or allopurinol
Which drugs can be given to reduce the formation of oxalate renal stones?
cholestyramine or pyridoxine
Mx of SAH?
Supportive measures, nimodipine to prevent vasospasm and intracranial coiling if there is an aneurysm
What are the symptoms of hypocalcaemia?
Tetany (muscle twitching, cramps and spasms), perioral paraesthesia and QT interval prolongation
Trousseau’s sign = carpopedal spasm of BP cuff inflation
Chvostek’s sign = twitching of the facial muscle when you tap on the parotid gland
What is Boerhaave’s syndrome? How do we investigate and treat?
Oesophageal rupture secondary to vomiting.
Tearing chest pain and s/c emphysema
Ix = CT contrast swallow
Mx = Thoracotomy and lavage
How can we differentiate clinically between Boerhaave’s syndrome and a Mallory-Weiss tear?
Boerhaave’s presents with s/c emphysema and non-bloody vomit
Mallory-Weiss will have bloody vomit
How do we calculate the fluid requirements in 24hrs in burns patients?
4ml x (total burn area (%) x BW (kg))
Give 50% over the first 8 hours and then the other 50% over the next 16.
Fluid choice = Haartmans
Which side do varicoceles occur most commonly on?
Left
Sx and Mx of acute mesenteric iscahemia?
Sudden onset severe abdo pain which is out of proportion with the clinical findings on BG of AF or increased clot risk
Mx = immediate laparotomy
Sx of ischaemic colitis?
Sudden onset abdo pain (less severe than acute mesenteric ischaemia), seen alongside bloody diarrhoea. Will often resolve spontaneously