Peri-Op Flashcards

1
Q

List the cardinal features of bowel obstruction

A
Vomiting
Colicky pain
Distension
Constipation 
\+ anorexia, faeculent vomit, tinkling bowel sounds
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2
Q

List causes of small bowel obstruction

A

Adhesions
Herniae
Malignancy

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3
Q

List causes of large bowel obstruction

A

Malignancy
Diverticular disease
Volvulus

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4
Q

Describe X-ray changes that would be seen with small bowel obstruction

A

Central gas shadow
Valvulae conniventes
No gas in large bowel
Dilated small bowel >3cm

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5
Q

Describe X-ray changes that would be seen with large bowel obstruction

A

Peripheral gas shadow proximal to blockage
Haustra
Dilated bowel >6cm or >9cm at caecum

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6
Q

List investigations relevant in suspected bowel obstruction

A

Bloods (FBC, U&E, CRP)
G&S
AXR, erect CXR
CT

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7
Q

List the management of bowel obstruction

A

Surgery (if LBO/strangulated)
Drip and suck (IV fluids, NGT)
Catheter (fluid balance)
Analgesia

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8
Q

List complications of bowel obstruction

A

Ischaemia
Perforation –> faecal peritonitis
Renal impairment

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9
Q

Describe the conditions (paralytic) ileus, pseudo obstruction

A

Paralytic ileus - adynamic bowel, absence of peristalsis and bowel sounds due to abdominal surgery/pancreatitis/spinal injury/low K+ or Na+, drugs (TCA)
Pseudo obstruction/Ogilvie’s syndrome - signs and symptoms of bowel obstruction without any lesion in the intestinal lumens, myopathic/neuropathic cause

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10
Q

Describe presentation, appearance on X-ray and management of sigmoid volvulus

A

Bowel twists on its mesentery leading to strangulation
Elderly, constipated
AXR = coffee bean
–> sigmoidoscopy, flatus tube/colectomy

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11
Q

List some causes of abdominal perforation

A
Peptic ulcer disease
Foreign body
Infection
Ischaemia
Colitis (fistula/toxic megacolon)
Trauma
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12
Q

List signs and symptoms of perforation

A

Peritonism (rigid abdomen, guarding)
Fever, pallor, tachycardia, hypotension
Acute onset, crescendo severity, constant, radiates to back/shoulders, worse on movement

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13
Q

List investigations required in a suspected perforation

A
Bloods
Amylase
G&S
Urinalysis
eCXR, AXR (Rigler's sign, psoas sign)
CT +/- contrast swallow
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14
Q

Describe management of perforation

A

Medical - IV fluids, analgesia, broad spectrum ABx, NBM, NGT, catheter
Surgical - thorough washout, perforation repair, resection +/- stoma formation

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15
Q

What is a Graham patch?

A

Patch of omentum used to cover stomach in peptic ulcer perforation

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16
Q

Describe Hartmann’s procedure

A

Surgical resection of the rectosigmoid colon with closure of the anorectal stump and formation of an end colostomy

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17
Q

List red flag symptoms for oesophageal problems

A
Dysphagia
Weight loss
Abdo pain
Dyspepsia
>55 years 
\+ early satiety, malaise, decreased appetite, reflux 
--> refer to endoscopy
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18
Q

List causes of peptic ulcer disease

A
NSAIDs
H. pylori infection
Excessive alchohol intake
Steroids
Zollinger-Ellison syndrome
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19
Q

Differentiate between symptoms of gastric and duodenal ulcers

A

Gastric - worse on eating, nausea, anorexia, weight loss, epigastric pain
Duodenal - worse after eating (2-5hrs) OR worse when fasting and alleviated by eating, central back pain

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20
Q

List treatment options and complications of peptic ulcer disease

A

Lifestyle advice
PPI 8 weeks OR triple therapy 7 days (PPI + amoxicillin + metronidazole/clarithromycin)
Partial gastrectomy/selective vagotomy
Complications - acute upper GI bleed, iron deficiency anaemia, perforation, gastric outlet obstruction, pyloric stenosis

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21
Q

List causes and pathophysiology of acute appendicitis

A

Obstruction - trauma, faecolith, tumour, lymphadenitis, worms
Inflammation –> raised intraluminal pressure –> lymphoid swelling, decreased venous drainage, thrombosis, bacterial invasion –> abscess –> gangrene –> perforation –> peritonitis

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22
Q

List clinical features, investigations and management of acute appendicitis

A

Pain, fever, anorexia, abdo pain when moving (central –> RIF), nausea, vomiting, diarrhoea/constipation, fever, tachypnoea, furred tongue, abdo tenderness (++ at McBurney’s point), guarding, Rosving’s sign, psoas sign
Investigations - pregnancy test, bloods, CT (>65 or unclear diagnosis), USS (eliminate gynaecological cause)
Management - appendicectomy, IV ABx, analgesia

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23
Q

Name a scoring system that can be used in appendicitis

A

Alvardo

Appendicitis Inflammatory Response (AIR)

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24
Q

What anatomical position is the appendix in in most people

A

RIF, end of caecum
Retrocaecal
(Can be pelvic, retroileal, retrocolic)

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25
Define the terms diverticulum, diverticulosis, diverticulitis, diverticular disease
Diverticulum - out-pouching of bowel wall composed of mucosa Diverticulosis - presence of diverticulum Diverticulitis - inflammation of diverticula Diverticular disease - symptomatic diverticulum
26
List risk factors of diverticular disease
``` Low fibre diet Obesity Smoking FH NSAID use ```
27
List clinical features, investigations and management of diverticular disease
CF - colicky LIF pain, relieved by defecation, altered bowel habit, flatulence, (painless) PR bleeding, anorexia, nausea, vomiting Ix - bloods, G&S, ABG (lactate), urine dipstick, flexi sig. (not itis), AXR, eCXR, CT PA, barium enema Mx - broad spectrum IV ABx, fluids, bowel rest, stool softener, analgesia, surgery (if perforation, sepsis, failure to improve) --> Hartmann's/laparascopic peritoneal lavage
28
List complications of diverticular disease
Pericolic/paracolic mass/abscess Peritonitis Fistula (colovesical/colovaginal) Stricture formation
29
List risk factors for developing colorectal cancer
``` Age >60 Family history (APC gene --> FAP) IBD Low fibre diet Smoking Increased alcohol intake ```
30
List clinical features of colorectal cancer
Rectal - PR bleeding (deep red on stool surface), tenesmus, altered bowel habit Descending/sigmoid - PR bleeding (dark, mixed with stool, clotted), mucus on PR, bloating, flatulence Right sided - iron deficiency anaemia, RIF mass
31
List red flag symptoms of colorectal cancer that would require urgent investigation
>40 with weight loss and abdominal pain >50 with PR bleeding >60 with iron deficiency anaemia/altered bowel habit +ve faecal occult blood test
32
List investigations and management of colorectal cancer
Ix - FBC (microcytic anaemia), tumour marker CEA (to monitor), colonoscopy with biopsy, CT CAP/MRI rectum/endoanal US (for staging) Mx - regional colectomy (right/left/sigmoid/anterior resection/abdominoperineal resection), chemotherapy, radiotherapy, palliative
33
Explain Duke's staging
A - invasion into but not through bowel wall (limited to mucosa) B - invasion through bowel wall but no lymph involvement C - lymph involvement D - distant metastases
34
Describe different types of bowel resection
Right hemicolectomy - caecum, ileocaecal valve, hepatic flexure, splenic (extended) Left - splenic flexure --> sigmoid Hartmann's - emergency, rectosigmoid removal, no anastamosis, rectal stump Anterior resection - sigmoid --> rectum Abdominoperitoneal - rectum and anus removed
35
Describe the pathogenesis of acute pancreatitis
1. Premature and exaggerated activation of digestive enzymes --> inflammation 2. Increased vascular permeability = 'third spacing' 3. Autodigestion of fats and vessels 4. Necrosis
36
List causes of acute pancreatitis
``` Gallstones Ethanol (alcohol) Trauma Steroids Mumps Autoimmune (e.g. SLE) Scorpion venom Hypercalcaemia ERCP Drugs (azathioprine, NSAIDs, diuretics) ```
37
Describe clinical features, investigations and management of acute pancreatitis
CF - sudden onset, severe epigastric pain, radiates to back, nausea, vomiting, fever, hypotension, tachycardia, tender and rigid abdomen, tetany, jaundice Ix - bloods (amylase 3x upper limit of normal), LFTs, USS, AXR, contrast CT Mx - oxygen, fluids, NGT, catheter, opioid analgesia, imipenem, ERCP if necessary
38
What are Grey-Turner's and Cullen's signs?
Signs of intraabdominal bleeding Grey-Turner - flank bruise Cullen's - umbilicus bruise
39
List causes of a high amylase
``` Pancreatitis DKA Ectopic pregnancy Cholecystitis Perforated ulcer Mesenteric ischaemia ```
40
Name and describe a scoring tool used in acute pancreatitis
``` Glasgow criteria = severity of acute pancreatitis PaO2 <8kPa Age >55 Neutrophils >15 x10^9/L Calcium <2 mmol/L Renal urea >16 mmol/L Enzymes LDH >600 U/L or AST >200 U/L Albumin <32 g/L Sugar >10 mmol/L + APACHE II, Ranzen criteria, Balthazar score ```
41
List complications of acute pancreatitis
``` DIC ARDS Hypocalcaemia Shock Multi organ failure Pancreatic necrosis Pseudocyst ```
42
List causes of chronic pancreatitis
``` Chronic alcohol abuse Idiopathic Metabolic (hyperlipidaemia, hypercalcaemia) Infection (viral, bacterial) Hereditary (CF) Autoimmune Obstruction (stricture, neoplasm) Congenital ```
43
Describe clinical features, investigations and management of chronic pancreatitis
CF - chronic epigastric pain, radiates to back, eased by leaning forward, nausea, vomiting, exocrine dysfunction (DM), endocrine dysfunction (steatorrhoea, malabsorption) Ix - bloods, BM, serum calcium, LFTs, faecal elastase (low), USS, CT PA, MRCP/ERCP Mx - analgesia, pancreatic enzyme supplements (Creon), ERCP, EUS (pseudocyst drainage), pancreatic sphincterotomy, Whipple's pancreatectomy
44
List complications of chronic pancreatitis
``` Pseudocyst Malabsorption Diabetes Effusions (ascites, pleural) Low vitamin A, D, E, K/clotting Malignancy ```
45
List risk factors of pancreatic cancer
Smoking Recent onset DM Chronic pancreatitis Alcoholism
46
Describe clinical features, investigations and management of pancreatic cancer
CF head - obstructive jaundice, epigastric/LUQ abdominal pain, radiates to back, hepatomegaly (mets), anorexia, nausea, vomiting, fatigue, malaise, pruritus, acute pancreatitis, thrombophlebitis migrans CF body/tail - asymptomatic, weight loss, back pain, epigastric mass, diabetes Ix - bloods (anaemia/thrombocytopenia), LFTs, CA19-9 tumour marker, abdo USS/EUS, CT contrast, ERCP Mx - radical resection (Whipple's/panceatectomy) + adjuvant chemo, palliation
47
Explain Courvoisier's law
Jaundice + enlarged/palpable gallbladder = biliary tree or pancreas malignancy
48
List risk factors for gallstone disease
``` Fat Female >Forty FH Fertile/OCP Pregnancy Haemolytic anaemia Malabsorption (ileal resection/Crohn's) ```
49
Differentiate clinical features of biliary colic and acute cholecystitis
Biliary colic - acute, dull, colicky RUQ pain, radiates to back/epigastrium, nausea, vomiting, precipitated by fatty foods Acute cholecystitis - constant, persistent (despite pain relief) pain, raised WCC, fever, tachycardia, tender RUQ, deranged LFTs, +ve Murphy's sign
50
List investigations and management for gallstone disease
Ix - urinalysis, pregnancy test, bloods, LFTs, amylase, USS, MRCP Mx BC - analgesia, antiemetic, lifestyle advice, elective cholecystectomy Mx AC - IV ABx (co-amoxiclav + metronidazole), fluid, NGT, NBM, analgesia, antiemetic, laparoscopic cholecystectomy (72h-1 week)
51
List complications of gallstone disease
Gallbladder empyema Chronic cholecystitis Fistula --> obstruction (Bouveret's syndrome/Gallstone ileus) Acute pancreatitis
52
Describe the clinical features, investigations and management of cholangitis
CF - Charcot's triad (RUQ pain, fever, jaundice), itching, pyrexia, RUQ tenderness, rigors, Reynold's pentad (Charcot's triad + hypotension + confusion) Ix - bloods, blood culture, USS, ERCP Mx - sepsis six if septic, endoscopic biliary decompression, ERCP +/- sphincterotomy, stunting, percutaneous transhepatic cholangiography (PTC), cholecystectomy
53
Describe the pathophysiology, risk factors, clinical features, investigations and management of cholangiocarcinoma
Cancer of the biliary system, most common site is bifurcation of R/L hepatic duct (Klatskin tumour), higher incidence in south-east asia RF - PSC, excessive alcohol intake, UC, diabetes, infective (liver flukes, HIV), toxins (rubber, aircraft), congenital CF - asymptomatic until late, post hepatic jaundice - pruritus, pale stools, dark urine, cachexia, Courvoisier's law Ix - LFTs, tumour markers CEA, CA19-9, USS, MRCP, CT (staging) Mx - complete surgical resection (Whipple's/partial hepatectomy), radiotherapy, chemotherapy, ERCP stenting
54
What is a hernia?
Protrusion of a whole or part of an organ through the wall of the cavity that contains it into an abnormal position
55
Differentiate between different types of hiatus hernia
Sliding - gastrooesophageal junction above diaphragm | Rolling - gastric funds lies alongside normal gastrooesophageal junction
56
List risk factors, clinical features, investigations and management of hiatus hernias
RF - age, pregnancy, obesity, ascites CF - (severe and treatment resistant) GORD, vomiting, weight loss, bleeding +/- anaemia, hiccups/palpitations, swallowing difficulties Ix - OGD, CT/MRI, contrast swallow Mx - conservative = PPIs, lifestyle advice, surgical = curoplasty, fundoplication
57
What is Bouchardt's triad
Signs of gastric volvulus: Severe epigastric pain Retching with no vomiting Inability to pass NGT
58
Differentiate between direct and indirect hernias
Direct - through weakness of Hesselbach's triangle, medial to inferior epigastric vessels Indirect - via deep inguinal ring, incomplete closure of processes vaginalis, lateral to inferior epigastric vessels
59
List risk factors, clinical features and management of inguinal hernias
RF - male, age, obesity, increased intraabdominal pressure (chronic cough, heavy lifting, constipation) CF - groin lump, pain, tender, erythematous Mx - conservative (if asymptomatic), Lichtenstein mesh open/laparoscopic surgery
60
Describe how you would undertake a hernia examination
Offer chaperone Examine standing, front, side Look - size, shape, scrotal extension, cough impulse Feel - scrotal lump (can get above it?), site, size, shape, consistency, contours, colour, tenderness, temperature, transillumination, cough impulse, reducibility Percuss, auscultate for bowel within lump
61
List risk factors, clinical features and management of femoral hernias
RF - female, age, pregnancy, increased intraabdominal pressure CF - groin lump (inferolateral to PT, medial to femoral pulse), unlikely to be reducible Mx - surgical (risk of strangulation) reduction and narrowing of femoral ring
62
Define different hernias including epigastric, paraumbilical, spigelian, obturator, littre's, richter's incisional
Epigastric - midline through fibres of linea alba Paraumbilical - through linea alba around umbilicus Spigelian - at semilunar line around level of arcuate line Obturator - of the pelvic floor at obturator foramen into obturator canal, mass in upper medial thigh Littre's - herniation of Meckel's diverticulum (inguinal canal) Richter's - only anti mesenteric border becomes strangulated --> tender, irreducible mass Incisional - after operation through previously made incision
63
What size is an abdominal aorta aneurysm?
Dilation >3cm
64
List risk factors, clinical features and management of an AAA
RF - smoking, hyperlipidaemia, male, hypertension, age CF - abdo/back/loin pain, distal embolisation, pulsatile abdominal mass Mx <5.5cm - monitor via duplex USS yearly (3.0-4.4cm) or 3 monthly (5.0-5.4cm) Mx >5.5cm/>1cm per year expansion/symptomatic - open repair/EVAR *>6 cm - DVLA notification, smoking cessation, anti hypertensive therapy, statin, aspirin, lose weight
65
List clinical features and management of an AAA rupture
CF - sudden flank/back pain, hypotension, pulsatile abdominal mass Mx - high flow O2, IV access, urgent bloods and X-match, vascular unit transfer (open/CT angiogram)
66
Explain the condition aortic dissection and the different types
Tear in intimal layer --> blood splits layers apart Stanford classification A - Debakey types I + II Stanford classification B - Debakey type III Debakey type I - ascending aorta --> arch Debakey type II - ascending aorta Debakey type III - subclavian artery --> descending aorta --> diaphragm/AA
67
Describe clinical features, investigations, management and complications of aortic dissection
CF - tearing/stabbing chest pain, radiates to back, tachycardia, hypotension, murmur (AR), end organ hypo perfusion, paraplegia Ix - bloods, troponin, coagulation, X-match, ECG, CT angiogram, TOE Mx Type A = surgical (removal of ascending aorta, graft replacement) Mx Type B = medical (B-blockers, CCBs) or surgical (EVAR) *lifelong antihypertensives, surveillance imaging Complications - aortic rupture, AR, MI (SCAD), cardiac tamponade, stroke/paraplegia
68
What is acute limb ischaemia?
Sudden decrease in limb perfusion, threatens limb viability <6 hrs
69
List the clinical features of acute limb ischaemia
``` Pain Pallor Pulselessness Paraesthesia Perishingly cold Paralysis ```
70
Describe investigations, management and complications of acute limb ischaemia
Ix - bloods (serum lactate), thrombophilia screen, G&S, ECG, doppler USS +/- CT angiogram Mx - high flow O2, IV access, heparin (infusion), surgical (thrombolysis/angioplasty/bypass surgery, embolectomy via Fogarty catheter, fasciotomy, amputation), OT/PT, rehab plan, decrease CVD mortality risk Complications - death, repurfusion injury (compartment syndrome, hyperkalaemia, rhabdomyolysis/AKI, acidosis
71
Describe different categories of acute limb ischaemia
I - viable, no immediate threat, no sensory/motor loss, artery and vein on doppler IIA - marginally threatened, salvageable if treated promptly, sensory loss in toes, no motor loss, no artery on doppler IIB - immediately threatened, salvageable if revascularised promptly, sensory loss of more than toes, rest pain, mild/moderate motor loss, no artery on doppler III - irreversible, permanent damage, profound sensory loss, paralysis, no artery or vein on doppler
72
What is chronic limb ischaemia
Peripheral vascular disease, decreased blood flow to limbs
73
Describe the Fontaine classification of chronic limb ischaemia
I - asymptomatic II - intermittent claudication III - ischaemic rest pain IV - ulceration +/- gangrene
74
What is critical limb ischaemia?
Ischaemic rest pain >2 weeks requiring opiate analgesia Prescence of ischaemic lesions or gangrene ABPI <0.5
75
Describe investigations and management of chronic limb ischaemia
Ix - Buerger's test, ABPI, CT angiography, CV risk assessment (BP, glucose, lipids, ECG) Mx - CV risk modification (lifestyle, statin, anti platelet), supervised exercise, angioplasty +/- stenting, bypass surgery
76
Define ABPI
``` Ankle brachial pressure index - ratio of blood pressure at the ankle to blood pressure in the upper arm (systolic ankle/systolic arm): Normal - >0.9 Mild - 0.8-0.9 Moderate - 0.5-0.8 Severe <0.5 *>1.2 = calcification ```
77
What are varicose veins?
Tortuous, dilated segments of vein with incompetent valves --> venous hypertension, dilatation
78
List risk factors, clinical features, management and complications of varicose veins
RF - prolonged standing, obesity, FH, pregnancy CF - cosmetic issues (visible veins, skin discolouration), pain, aching, swelling, itching, skin changes, ulceration, thrombophlebitis, bleeding, venous insufficiency (haemosiderin deposits, lipdermatosclerosis, atrophie blanche, saphena varix) Mx - patient education/lifestyle advice, compression sticking, four layer banding, vein ligation, stripping, avulsion, foam sclerotherapy, thermal ablation Complications - haemorrhage, thrombophlebitis, recurrence, DVT, nerve damage
79
Describe the CEAP classification for venous insufficiency
``` C0 - no signs C1 - telangiectasia/reticular veins C2 - varicose veins C3 - oedema C4a - pigmentation/eczema C4b - lipodermatosclerosis/atrophie blanche C5 - healed venous ulcer C6 - active venous ulver ```
80
Describe how you would undertake a varicose veins examination
Look (front/back) - colour changes, ankle swelling, venous insufficiency (haemosiderin deposits, eczema, lipodermatosclerois, venous ulcers, atrophie blanche, varicose vein distribution, colour, prominence Feel - tenderness, hardness (phlebitis), saphenofemoral junction, cough impulse, rate of venous emptying, tourniquet test, calf tenderness (DVT) Percuss (for incompetency) and auscultate (for turbulent flow) Pitting oedema, JVP, arterial pulses
81
What is the purpose of a pre-operative assessment?
Identify comorbidities (2-4 weeks before surgery) that may lead to anaesthetic/surgical/post-op complications
82
List questions to ask in a pre-operative assessment
History - HPC, confirm procedure, R/L side, PMH (CVS, resp, renal, endocrine), pregnancy, sickle cell anaemia, PSH, PAH (PONV), DH (allergies), FH (malignant hyperthermia), SH (smoking, alcohol, exercise tolerance)
83
List some airway observations
Mouth opening - inter incisor distance >3cm Teeth/dentures Oropharynx (Mallampati classification I-IV) Neck - thyromental distance >6.5cm
84
Describe the different ASA Grades
ASA I - normal, healthy ASA II - mild systemic disease, smoker, pregnant, obese ASA III - severe systemic disease, functional limitation e.g. COPD, pacemaker, ESRD with dialysis ASA IV - severe systemic disease, constant threat to life, recent (<3 months) MI/CVA, sepsis, ESRD without dialysis ASA V - moribund, not expected to survive without surgery, ruptured AAA, massive trauma, ischaemic bowel ASA VI - declared brain dead, organs being removed for donor purposes *E = emergency operation
85
List investigations necessary pre-operatively
Bloods - FBC, U&E, LFT, clotting screen, G&S, X-match Imaging - ECG, CXR Others - pregnancy test, sickle cell test, MRSA swabs, urinalysis Routine HbA1c if diabetic
86
What advice should a patient be given pre-operatively about food and drink
No food - 6h | No clear fluids - 2h
87
What drugs should a patient be told to stop/alter/start
Stop - clopidogrel (7 days), hypoglycaemics, OCP/HRT (4 weeks), warfarin (5 days) Alter - insulin, steroids Start - LMWH, AES, ABx prophylaxis
88
What are the indications for fluid?
Resuscitation Replacement Maintenance
89
What are the daily requirements for water, sodium, potassium and glucose?
Water - 25-35ml/kg/day Na/K+ - 1 mmol/kg/day Glucose - 50g/day
90
Describe the WHO analgesia ladder
Strong opioid e.g. morphine Weak opioid e.g. codeine Non-opioid e.g. paracetamol, NSAIDs
91
List side effects of NSAIDs
``` IGRAB: Interactions (e.g. warfarin) Gastric ulceration Renal impairment Asthma sensitivity Bleeding risk ```
92
List side effects of opiates
``` Constipation Nausea Sedation/confusion Respiratory depression Tolerance/dependence ```
93
List risk factors for PONV
Patient - female, previous PONV/motion sickness, non smoker Surgical - laparascopic, intracranial/middle ear, squint, gynaecological (ovarian), long duration Anaesthetic - opiate analgesia, inhalationen agent, long duration, spinal, dehydration/bleeding, bag-mask overuse
94
Name different antiemetics and their method of action
5HT3 antagonist - ondansetron, metoclopramide Dopamine antagonist - domperidone, prochlorperazine, metoclopramide Histamine antagonist - cyclizine Anticholinergic - hyoscine
95
Describe likely causes for post operative pyrexia and how you would investigate
``` Day 1-2 - respiratory (wind) Day 3-5 - urinary (water) Day 4-6 - VTE (walk) Day 5-7 - surgical site/abscess (wound) Iatrogenic - drug induced Unknown - vasculitis, lymphoma ``` Investigations - septic screen, bloods, urine dip, culture, CXR, sputum
96
Describe management of different infections
LRTI - co-amox 625mg PO TDS 5/7 L urinary - trimethoprim 200mg PO BD 3/7 OR nitrofurantoin 100mg PO BD 3/7 U urinary - co-amox 625mg PO TDS 14/7 Surgical site - flucloxacilin 500 mg QDS 5/7 IV/central line - flucloxacillin 500mg QDS 5/7 Intraabdominal - cefuroxime 1.5g TDS + metronidazole 500 mg IV TDS Septic arthritis - flucloxacillin 2gIV QDS Unknown source - cefuroxime 1.5g IV TDS + metronidazole 500mg IV TDS + gentamicin 5mg/kg STAT
97
Describe classification and management of haemorrhage
I - <15% loss, <750mls, <100 HR, normal BP, 14-20 RR, UO >30 ml/hr, normal mental state II - 15-30% blood loss, 750-1500mls, 100-120 HR, normal BP, 20-30 RR, UO 20-30 ml/hr, mild anxiety III - 30-40% loss, 1500-2000mls, 120-140 HR, low BP, 30-40 RR, UO 5-15ml/hr, anxious and confused IV - >40% blood loss, >2000mls, >140 HR, very low BP, >35 RR, UO negligible, lethargic or unconscious Mamangement - A-E, >18G cannula, direct pressure, senior review, urgent blood transfusion