Mr Hardy & Gupte Flashcards
What does management equal?
Mx = Dx + Tx
Where dx is the combination of hx, exam, ix
The Surgical Sieve
VITAMINS CDE
Vascular
Infection / Inflammation
Traumatic / Toxins
Autoimmune
Metabolic
Iatrogenic / Idiopathic
Neoplastic
Social
Congenital
Degenerative
Endocrine / Exocrine
How would you categorise the factors contributing to a complication of surgery?
Pre, Operative, Post
RFs for haemorrhage post op
Pre: failure to stop NSAIDs + hereditary clotting disorders
Op: use of monopolar diathermy causing collateral damage
Post: started on anticoagulants + infection that moves the suture knot
Virchow’s Triad
Endothelial Injury
Hypercoagulability
Venous Stasis
RFs for superficial infection post op
Pre: young/old, smoker, diabetic, steroids, immunocomp, cardiac/renal/vasc disease, preexisting infection
Op: death by a thousand cuts, failure to wash out dead tissue, too much suture tension causing ischaemia
Post: poor wound care
Celsus Tetrad
Rubor Calor Tumor Dolor Functio Laesa
How would you categorise complications of a fracture?
IMMEDIATE <24h
Local: 1° haemorrhage and soft tissue injury
Syst: hypovolaemic shock and asphyxia
EARLY <2w
Local: reactionary/2° haemorrhage, wound dehiscence, infection, compartment syndrome, Volkmann’s contracture
Syst: fat embolism, DVT, PE, ARDS, atelectasis, c diff, constipation, acute urinary retention, confusion, bed sores
LATE >2w
Local: malunion, nonunion, stiffness, loosening, CRPS
Syst: atelectasis - pneumonia, acute urinary retention - cystitis - sepsis, psychological
Haemorrhage: Reactionary vs Secondary
Reactionary - rise in bp following fluid therapy for hypovolaemia
Secondary - erosion of a vessel from a spreading infection
What is a late systemic comp of a right hemicolectomy?
Pernicious Anaemia
How are abx used in surgery?
Prophylactic: immunocomp, at inc risk of infection, consequences would be serious
Treatment: local + spreading
How are abx used prophylactically?
Immunocomp: young/old, smoker, diabetic, steroids, chemo, cancer, HIV, TB
At inc risk of infection: surgery involving the appendix, large bowel, gynae
Consequences would be serious: heart valve, prosthetic limb, VP shunt, mesh
How are abx used as treatment?
Local (no abx: incision -> drainage) - abscess, empyema, pyelonephritis, osteomyelitis
Spreading (abx: broad -> narrow) - cellulitis, septicaemia, meningitis, ascending cholangitis
How can you categorise the presentation of any tumour?
Primary, Secondary, General vs Hx/Sx, Exam/Signs, Special Ix
Px of testicular seminoma
Hx: 1° painless lump + 2° inguinal lump, abdo pain, back pain + 3° FLAWS
O/e: 1° SSSSSS, can get above, no transillumination + 2° inguinal LN, retroperitoneal lesion, chest lesion + 3° anaemic
Ix: 1° imaging and histology + 2° CT-CAP + 3° FBC, hyperCa, tumour markers
How would you describe a lump? (6)
Site Size Shape Surface Surrounds conSistency
Px of breast ca
Hx: 1° lump, pain, bloody discharge + 2° axillary lump, night bone pain, cough + 3° FLAWS
O/e: 1° inverted nipple, tethering, peau d’orange + 2° axillary lymphadenopathy, bony tenderness, oedema + 3° anaemic
Ix: 1° imaging and histology + 2° CXR + 3° FBC, hyperCa, tumour markers
What is breast triple assessment?
Hx+Exam, US/Mammography, FNA/Biopsy
What cancers metastasise to bone? (6)
Bronchus Breast Brostate Byroid Bidney \+ Sometimes Bowel
How would you categorise tumours of the bone?
Benign: simple cyst, osteoid osteoma, osteochondroma, enchondroma, fibrous dysplasia
1° Malignant: ewing’s, osteosarcoma, chondrosarcoma, myeloma
2° Malignant: metastasis
Mneumonic for describing any disease
Dressed In a Surgeon’s Gown A Physician Might Make Some Significant Progress
Definition Incidence Sex Geography Aetiology Pathogenesis Macroscopic Path Microscopic Path Symptoms Signs Prognosis
What is myeloma?
Definition: neoplasia of plasma cells
Incidence: most common primary malignant bone ca affecting those b/w 50-70yrs
Sex: M>F | Geography: AfroC | Aetiology: genetics
Pathogenesis: production of monoclonal immunoglobulins
Macro + Micro Path: haematogenous spread, raised ESR, rouleaux on blood film, B cells w reduced cytoplasm, dense band on serum electrophoresis, bence-jones protein in urine
Sx + Signs: related to the high calcium, renal failure, anaemia, affect on bone
Prognosis: pt factors, staging and grading, response to therapy
What is the skull on x-ray like in MM?
Pepper Shaker / Moth Eaten
What does the median nerve supply?
2LOAF
Lateral two lumbicals
Oppones pollicis
Abductor pollicis brevis
Flexor pollicis brevis
NB: all other intrinsic hand muscles are supplied by the ulnar nerve
What does the hand look like following the three possible nerve lesions?
DR CUMA
Dropped wrist = Radial
Claw hand = Ulnar
Ape hand = Median
What is a mallet finger?
Avulsion of the extensor tendon from the distal phalynx requiring a splint for 6-8wks followed by 1-2wks at night
What should you NOT do when taping up a mallet splint?
Tape over the holes
What is the thickest cartilage in the body?
Patella hyaline cartilage
The four stages of # healing
Haematoma
Inflam
Callus
Remodelling
What do you do if there’s asymmetrical lympadenopathy in the neck?
Look in both the mouth and ears
How much does smoking reduce your oxygen carriage by?
Dec by 20% - due to the irreversible binding of carbon monoxide - takes 2wks of stopping to recover
How would you tell someone has a post op ileus?
I’d take a full history to gather the sx, an examination to elicit signs and perform appropriate ix
Hx: bloating, failure to pass flatus/faeces, N+V
O/e: abdo distention + absent BS
Ix: bloods + imaging
What ix for you perform for a suspected ileus?
Bloods - FBC, ESR, CRP, U+Es (hypoNa, hypoK, hyperCa), TFTs (hypothyroidism)
Imaging - CT abdo + pelvis w contrast
RFs for post op ileus
Pre: inc age, electrolyte derangement, use of anti-cholinergic meds
Op: XS intestinal handling, peritoneal contamination, type of op (intestinal resection + pelvic surgery)
Post: use of opioid meds
Saint’s Triad
Cholelithiasis
Hiatal Hernia
Diverticular Disease
Direct vs Indirect Inguinal Hernias
Direct - comorbid elderly obese heavy lifter w prev surg + emerge medial to inf epigastric + lump above pubic tubercle
Indirect - younger male pt + emerge lateral to inf epigastric + lump below pubic tubercle
What are the indications for intramedullary nailing?
Fractures: extracapsular NOF+ humerus/femur/tibial shaft
What are the CIs for intramedullary nailing? (3)
Small medullary canal, prior malunion, infection
What are the indications for internal fixation?
Joint # Compound # Multiple Injury Diff Reduction Lost Reduction Malignancy
How can a fracture be described on a radiograph?
Pt Details, Skeletal Maturity, Location
Open vs Closed
Simple vs Comminuted
Displaced, Translated, Angulated
Any Other Abnormalities
How can gout lead to OA?
Gout - Chondrocalcinosis - Meniscal Tear - OA
List of PMHx to ask
Asthma Allergies Angina TB Jaundice Epilepsy Diabetes Rh Fever Heart Attack Stroke High BP Gout
How do you tx a #?
Classify Comps Displacement Reduction Stability Immobilise Rehabilitate
Which meniscus is more likely to tear horizontally?
Lateral