SBA tips Flashcards
In an SBA what is ‘Dominant V (c or v) waves’ usually indicating?
Tricuspid Regurgitation
In an SBA what is ‘Dominant A waves’ usually indicating?
Tricuspid Stenosis or Pulmonary Hypertension
In an SBA what is ‘Prominent x descent + Prominent y descent’ usually indicating?
Constrictive Pericarditis
In an SBA what is ‘Prominent x descent + Absent y descent’ usually indicating?
Cardiac Tamponade
In an SBA on chest pain what is ‘sweating, nausea and vomiting’ is usually indicating?
Myocardial Infarction
In an SBA what is ‘72hours post MI’ usually indicating?
VSD
In an SBA what is ‘mid-diastolic click’ usually indicating?
Mitral Valve prolapse.
In an SBA what is ‘continous murmur through systole and diastole’ or ‘machinery murmur’ usually indicating?
Patent Ductus Arterious
In an SBA what would be linked with ‘inferior MI’
Bradycardia
In an SBA what is ‘diffuse apex beat’ usually indicating?
Left Ventricular Aneurysm
In an SBA what is ‘Ballooned apex’ usually indicating?
Takotsubo’s cardiomyopathy
What are the 6 A’s in Ankylosing Spondylitis?
AV node block Aortic regurgitation Apical Fibrosis AA amyloidosis Achilles Tendonitis Anterior Uveitis
What is neoplasm causes sclerotic bone lesions
Prostate Metastatic disease
What are the 5 main causes of massive splenomegaly?
Chronic Myeloid leukaemia Malaria Leishmaniasis Myelofibrosis Gaucher's dIsease (Lysosomal storage disease)
What are the three pathognomic signs of cushings?
Rapid weight gain (Striae)
Proximal myopathy
Increased ease of bruising
What are some causes of a high anion gap metabolic acidosis?
MUDPILES
Methanol Uraemia Diabetic ketoacidosis Phenytoin, paracetamol OD, Paraldehyde Iron, isoniazid, inborn errors of metabolism Lactic Acidosis Ethanol (Alcoholic ketoacidosis/lactic acidosis), Ethylene glycol Salicylates(Aspirin)
What is gradual swelling of the knee implying?
Meniscal Tear
What is rapid swelling of the knee implying?
ACL PCL tear
What comprises the modified Glasgow score for pancreatitis severity?
PANCREAS
PaO2 less than 8kPa AGE over 55 Neutrophilia WBC over 15 Calcium less than 2 Renal function urea over 15 Enzymes LDH over 600 AST over 200 Albumin less than 32 Sugar glucose over 10
Describe Dukes classification of colorectal cancer
Dukes A - Tumour confined to mucosa (90% 5yr-survival)
Dukes B - Tumour invading bowel wall (70%)
Dukes C - Lymph node metastases (45%)
Dukes D - Distant Metastases (6%-20%if resectable)
B and C can be further classified into 1 + 2 depending on if the tumour invades the wall partially or through it into the subserosal fat
In an SBA contradicting O2 sats and PaO2 is indicative of what cause?
Carbon monoxide poisoning
In an SBA the pathological change ‘alveolar hyaline membrane formation’ is indicative of what cause?
Acute Respiratory Distress syndrome
Sclerodermal renal crisis is associated with which autoantibody most commonly?
Anti-RNA polymerase III
In an SBA ‘Owl’s eye inclusion bodies’ on a histology report is indicative of what cause?
Cytomegalovirus
In an SBA an ‘ejection systolic murmur heard loudest over the scapula’ is indicative of what cause?
Coarctation of the aorta
In an SBA on renal biopsy ‘nodular gomerulosclerosis’ is indicative of what cause?
Diabetic nephropathy
What are the antibodies Anti-GD1a and anti-GD3 associated with?
Rare form of Guillian-barre acute motor axonal neuropathy
What is Anti-GM1 associated with?
Post campylobacter jejune infection e.g. In Guillian-barre syndrome
What is anti-GQ1B associated with?
Miller-Fisher syndrome a variant of Guillian-barre characterised by the triad of ataxia, opthalmoplegia, and areflexia
Which gene is affected in Familial Adenomatous Polypsosis?
APC
Which gene is affected in Heriditary Non-polyposis Colorectal Cancer?
MSH2
What are the signs of hypothyroidism?
BRADYCARDIC Reflexes relax slowly Ataxia (cerebellar) Dry thin hair/skin Yawning/drowsy/coma Cold hands, hypothermia Ascites +/- non-pitting oedema +/-pericardial/pleural effusion Round puffy face, double chin, obese Defeated demeanour Immobile +/- Ileus CCF also neuropathy, myopathy, goitre.
What is the CURB-65 score?
1 point for each: Confusion (AMTS less than or equal to 8) Urea ( over 7) RR over 30 BP systolic under 90mmhg or diastolic under 60mmHg 65 age
0-1 home management possible
2 hospital therapy
3 or more severe pneumonia ITU indicated
Associated Mortality 1 3 15 20 40 60
Describe Lights criteria in context of pleural effusion
Pleural Protein less than 25g/l = Transudate
Pleural Protein over 35g/L = exudate
Pleural protein 25-35g/L = Lights Criteria
Lights Criteria: 1 of the following indicates Exudate
- pleural fluid protein to Serum protein ratio over 0.5
- pleural LDH to Serum LDH ratio over 0.6
- pleural LDH is 2/3 over serum upper value of normal
- serum albumin-pleural albumin is less than 1.2g/dL
What are the causes of hypoglycaemia?
EXPLAIN
EXogenous drugs e.g. Insulin, hypoglycaemic Pituitary insuffiency Liver failure Addison's disease Insulinoma Non-pancreatic neoplasms
What are the red flag symptoms in dyspepsia?
ALARM Symptoms
Anaemia (iron-deficiency) Loss of weight Anorexia Rapid onset/progressive symptoms Malaena/haematemesis Swallowing difficulty
What is the ABCD2 Score?
Post TIA stroke predictor score
Age over 60 (1point) Blood pressure over 140/90 (1point) Clinical Features -unilateral weakness (2 points) -speech disturbance without weakness (1 point) Duration of symptoms -symptoms over 1hr (2 points) -symptoms 10-59mins (1 point) Diabetes (1 point)
4 or more require assessment by specialist within 24hr
And all other must be seen within 7 days
What are the signs of Delirum?
DELIRIUM
Disordered thinking Euphoric, fearful, depressed or angry Language impaired Illusions/delusions/hallucinations Reversal of sleep-awake cycle Inattention Unaware/disorientated Memory deficits
What are the side-effects of sodium valproate?
VALPROATE Appetite increase (weight gain) Liver failure (monitor LFTs) Pancreatitis Reversible hair loss Oedema Ataxia Teratogenicity, Tremor, Thrombocytopaenia Encephalopathy (hyperammonaemia)
What are the features of cerebellar syndrome?
DASHING
Dysdiadochokinesis and Demetria (past-pointing) Ataxia Slurred Stoccato speech Hypotonia Intention tremor Nystagmus Gait abnormality (wide based)
What are the causes of mononeuritis multiplex?
WARDS PLC
Wegners (Granulmatosis with polyangitis) AIDs/Amyloidosis Rheumatoid Diabetes Sarcoidosis
Polyarteritis nodosa
Leprosy
Carcinomatosis
What are the causes of carpal tunnel syndrome?
MEDIAN TRAPS
Myxoedema (hypothyroidism) Enforced flexion (e.g. Colles' splint) Diabetic neuropathy Idiopathic Acromegaly Neoplasms e.g. Myeloma
Tumours benign e.g. Lipoma, neurofibromata Rheumatoid arthritis Amyloidosis Pregnancy/premenstrual oedema Sarcoidosis
What are the X-ray features of osteoarthritis?
Loss of joint space
Osteophytes
Subarticular sclerosis
Subchondral cysts
What are the X-ray features of RA?
Loss of joint space
Osteopaenia (juxta-articulate)
Soft-tissue swelling
Erosions
What are the features of limited cutaneous systemic sclerosis?
CREST syndrome
Calcinosis Raynauds Esophageal and gut dysmotility Sclerodactyly Telangiectasia
What are the diagnostic criteria for melanoma?
ABCDE
Asymmetry Border - irregular Colour - non-uniform Diameter over 7mm Elevation, evolving
What are the causes of acute pancreatitis?
GET SMASHED
Gallstones Ethanol Trauma Steroids Mumps Autoimmune (PAN) Scorpion venom Hypertriglyceridaemia, hypothermia, hypercalcaemia ERCP Drugs
What are the symptoms of acute limb ischaemia?
Pale Pulseless Painful Perishingly cold Paraesthetic Paralysed
What are the features of hypocalcaemia?
SPASMODIC
Spasms carpopedal (trousseau’s sign)
Perioral paraesthesia
Anxious/irritable/irrational
Seizures
Muscle tone increased in smooth muscle hence colic wheeze and dysphagia
Orientation impaired and confusion
Dermatatitis
Impetigo Herpetiformis (hypocalcaemia and pustules in pregnancy)
Chovsteks sigg, choreoathetosis, cataract, cardiomyopathy ((long QT)
What are the risk factors for osteoporosis?
SHATTERED
Steroid use
Hyperthyroidism, hyperparathyroidism, hypercalciuria
Alcohol and tobacco use
Thin BMI under 22
Testestorone low e.g. Antiandrogen in prostate cancer
Early menopause
Renal or liver failure
Erosive/inflammatory bone disease (myeloma/RA)
Dietary calcium low, malabsorption, type 1 diabetes.
What are the causes of upper lobe fibrosis?
Berylliosis, siliocosis (pneuoconiosis) Radiation Extrinsic allergic alveolitis Ankylosing spondylitis Sarcoidosis Tuberculosis
What are the causes of lower lobe fibrosis?
RA/SLE connective tissues disease
Asbestosis
Idiopathic
Drugs e.g. Amiodarone, nitrofuratoin, bleomycin, methotrexate
What are the histological features of asthma?
Curschmann’s spirals (whirls of shed respiratory epithelium that form within mucous plugs seen in sputum of patients with asthma)
Charcot-Leyden crystals granules produced by eosinophils.
In an SBA histoligical feature ‘red and grey hepatisation’ is indicative of what cause?
Pneumonia
Which drugs are contraindicated in Raynaud’s?
Beta-blockers
What are the features of Multiple Endocrine Neoplasia type 1?
3 P’s Parathyroid, Pituitary, Pancreas (e.g. Insulinoma, gastrinoma) most common presentation is Hypercalcaemia
What are the features of Multiple Endocrine Neoplasia type 2a?
Medullary Thyroid Cancer
2 P’s Parathyroid, Phaemochromocytoma
What are the features of Multiple Endocrine Neoplasia type 2b?
Medullary thyroid cancer
1 P phaeochromocytoma
Marfinoid body habitus
Neuromas
What are some causes of dupuytren’s contracture?
Manual labour
Phenytoin treatment
Alcoholic liver disease
Trauma to hand
Describe the salter Harris classification of physical fractures.
SALTER
Type 1 - S - Straight across Type 2 - A - Above Type 3 - L - Lower or beLow Type 4 - T - Two or Through Type 5 - ER - ERasure of the growth plate or cRush
What are the causes of Dysphagia?
Mechanical (Solids before liquids):
- Malignant stricture e.g. Oesophageal, gastric, pharyngeal cancer
- Benign stricture e.g. Oesophageal web, peptic stricture
- extrinsic pressure e.g. Lung cancer, mediastinal lymph nodes, retrosternal gotire, aortic aneurysm, left atrial enlargement
- pharyngeal pouch
Motility (Solids and liquids):
- achalasia
- diffuse oesophageal spasm
- systemic sclerosis
- neurological e.g. Bulbar/pseudobulbar palsy, wilson’s Parkinson’s, syringobulbia, Chagas’ disease, myasthenia gravis
What is the most likely finding on echocardiogram in a patient with HOCM?
Asymmetric septal enlargement.
Which antibodies are associated with Autoimmune Hepatitis type 1?
Anti-smooth muscle
Which autoantibodies are most associated with Autoimmune Hepatitis type 2?
Anti Liver/Kidney Microsomal type I (Anti-LKM1)
Which autoantibodies are most associated with polymyositis?
Anti-Jo1
Which autoantibodies are most commonly associated with Primary Biliary Cirrhosis?
Anti-mitochondrial
In an SBA histology findings ‘multiple areas of cystic degeneration, fibrous stroma, numerous giant cell’ is indicative of which cause?
Describes Brown tumour aka osteitis fibrosa Cystic a rare but well-recognised complication of longstanding primary hyperparathyroidism.
In an SBA histological findings ‘basophilic intracellular vacuoles’ on muscle biopsy is indicative of what cause?
Inclusion body myositis
What are the paraneoplastic associations of Squamous cell lung carcinoma?
PTH
What are the paraneoplastic associations of small cell lung carcinoma?
ACTH, LEMS, SIADH
In an SBA ‘String of beads’ appearance on CT angiogram is indicative of what cause?
Fibromuscular Dysplasia
Which leads and coronary artery correspond to the anterolateral anatomical location?
I, aVL, V4-V6
Left main stem
Which leads and coronary artery correspond to the anteroseptal anatomical location?
V1-V4
Left anterior descending
Which leads and coronary artery correspond to the inferior anatomical location
II,III, aVF
Right coronary
Which leads and coronary artery correspond to the lateral anatomical location?
I, aVL +/- V5-V6
Left circumflex.
Which leads and coronary artery correspond to the posterior anatomical location?
Tall R waves in V1 + V2 + horizontal ST depression
Usually left circumflex but can be right coronary.
In an SBA ‘non-caseating granuloma’ on lung biopsy is indicative of which cause?
Sarcoidosis
In an SBA ‘panacinar emphysema’ on lung biopsy is indicative of which cause?
Alpha-1 antitrypsin deficiency.
What are the histological findings in Lewy body dementia?
Cytoplasmic aggregations of alpha-synuclein
What histological findings are associated with MND?
Cytoplasmic TDP-43 is associated with hereditary and non-heriditary motor neuron disease
Cytoplasmic SOD1 is asscoatied with hereditary forms of motor neuron disease.
What histological findings are associated with Alzheimer’s disease?
Aggregation of cytoplasmic tau protein and extra cellular beta-Amyloid plaques.
What are the classical features in Normal Pressure Hydrocephalus?
Triad of:
Gait disturbance
Urinary Incontinence
Dementia
What are the symptoms of lithium toxicity?
CARD CASH
Collapse Anorexia Renal failure D+V Coarse tremor Ataxia (Cerebellar signs) Sleepy/Drowsiness Hypokalaemia
What are the differentials for anterior mediastinal mass?
5 T’s
Thymus Teratoma Thoracic Aortic Anuerysm Thyroid Terrible Lymphadenopathy
In an SBA ‘mozzarella and tomato’ appearance of fundoscopy is indicative of which cause?
CMV Retinitis
What are the major causes of high-output heart failure?
BS TAPS
Beriberi (Vitamin B1/Thiamine deficiency) Severe chronic anaemia Thyrotoxicosis AV fistula and AV malformation Paget's disease Septicaemia
In an SBA ‘magenta-coloured acid-schiff positive macrophages’ is indicative of what cause?
Whipple’s disease
What are the main causes of dilated cardiomyopathy?
Vascular e.g. HTN
Inflammatory/Infectious e.g. Post-myocarditis, Chagas’ disease
Metabolic: Beriberi (Vitamin B1 defiency), thyrotoxicosis
Inherited/idiopathic e.g. Muscular dystrophy, Haemochromatosis
Drugs: Alcohol Doxorubicin
What are some causes of SIADH?
Vascular: Stroke, SAH
Inflammatory/infectious: Meningoencephalitis, Abscess, TB, pneumonia, aspergillosis, HIV
Trauma: Head injury, neurosurgery, Abdominal surgery
Autoimmune: SLE, GBS
Metabolic: hypothyroidism
Inherited: Acute intermittent porphyria
Neoplastic e.g. Lung small cell, pancreas, prostate, thymus, lymphoma
Drugs e.g. Sulfonylureas, SSRIs, tricyclics, carbamazepine, vincristine, cyclophosphamide.
What are the post-operative complications of surgery?
Can be categorised into general and specific.
General:
- from anaesthesia e.g. Respiratory depression, atelectasis, anaphylaxis, difficult intubation, aspiration
- from surgery in general e.g. Wound infection, haemorrhage, neurovascular damage, DVT/PE, cardiac compromise
Specific to the procedure: e.g. Failure, local nerves, regional pain
What are the causes of nephrogenic diabetes inspidus?
PC DIM
Post-obstructive Uropathy CKD Drugs e.g. Lithium Demeclocycline Inherited e.g. AVPR2 mutation Metabolic e.g. Hypokalaemia, hypercalcaemia
What are the causes of cranial diabetes insipidus?
Vascular e.g. Intracranial Haemorrhage
Infection/Inflammatory e.g. Sarcoidosis, histiocytosis, Meningoencephalitis
Trauma e.g. Hypophysectomy or neurosurgery
Autoimmune e.g. Autoimmune hypophysitis
Metabolic e.g. Thyroiditis
Idiopathic/inherited e.g. Idiopathic, Defects in ADH gene (DIDMOAD aka wolframs)
Neoplastic e.g. Craniopharyngioma, mets, pituitary tumour
What are the complications of stomas?
Early:
- Haemorrhage
- stoma ischaemia (progresses to dusky grey to black)
- high output (can lead to hypokalaemia consider loperamide +/- codeine to thicken output)
- Obstruction secondary to adhesions
- Stoma retraction
Delayed:
- Obstruction
- dermatitis
- stoma prolapse
- stomal intusseception
- stenosis
- parastomal hernia
- fistulae
- psychological problems.
What are the four clinical patterns of Motor neuron disease?
Amyotrophic lateral sclerosis
Progressive bulbar palsy
Progressive muscular atrophy
Primary lateral sclerosis
What are the features and causes of IIIrd CN palsy?
Features: Ptosis, dilated pupil, eye down and out
Causes:
- Medical (pupil sparing) e.g. Diabetes, HTN, GCA, Syphilis, Idiopathic
- Surgical (early pupil involvement) e.g. Posterior communicating artery aneurysm, raised ICP, tumours.
What are the features and causes of a spastic hemiparesis?
Features: Unilateral increased tone, reduced power, brisk reflexes, upgoing plantar.
Causes: Stroke, SOL, MS.
What are the features and causes of a IVth CN palsy?
Features: Unilateral Abducted eye inability to adduct, diplopia on look down and in (noticed on descending stairs)
Causes:
-Trauma
What are the features and causes of a sensory-motor peripheral neuropathy?
Features: Normal tone, reduced power bilaterally distal more than proximal, reduced reflexes, reduced sensation in length-dependent distribution
Causes: ABCDE
- Alochol
- B12/Folate deficiency
- CKD
- Diabetes
- Everything else e.g. Vasculitis, HIV
Describe the features and causes of cerebellar syndrome?
Features: DANISH
- Dysdiadochokinesis
- Ataxia wide based gait
- Nystagmus
- Intention tremor with past pointing
- slurred stoccato speech
- Hypotonia
Causes: PASTRIES
- Posterior fossa tumour
- Alcohol
- Sclerosis (Multiple)
- Trauma
- Rare e.g. Lithium
- Inherited e.g. Friedrich’s ataxia
- Epilepsy medications e.g. Phenytoin, carbamazepine
- Stroke
What are the features and causes of a motor peripheral neuropathy?
Features: Normal tone, reduced power bilaterally distal more than proximal, reduced reflexes, bilateral foot drop/wrist drop.
Causes:
- Guillian-Barre
- Chronic Inflammatory Demyelinating Polyneuropathy
- Lead-poisoning
- Charcot-Marie-Tooth
Describe the features and causes of lateral medullary syndrome?
Features: Unilateral cerebellar syndrome, reduce pain sensation, Horner’s , contralateral limb sensory loss.
Causes: Stroke, Harmorrhage
What are the features and causes of a spastic paraparesis?
Features: Increased tone bilaterally, reduced power bilaterally, brisk reflexes.
Causes:
- Demyelination e.g. MS
- Cord Compression: Trauma, tumour
- Parasagittal meningioma
- Tropical spastic paraparesis
- Transverse myelitis e.g. HIV
- Syringomyelia
- Hereditary spastic paraplegia
- Osteoarthritis of the cervical spine
What are the features and causes of a UMN 7th CN palsy?
Features: Unilateral facial droop with preserved facial markings, unilateral weakness, normal sensation, normal hearing.
Causes: Stroke, Haemorrhage, MS
What are the features and causes of Parkinsonism?
Features: Increased tone bilaterally with evidence of synkinesis. Asymmetrical resting tremor made worse with distraction. Bradykinesia, festinating gait with reduced arm swing.
Causes: Idiopathic Parkinson's Parkinson's plus Drugs Vascular Parkinson's
What are the features and causes of a VIth CN palsy?
Features: Unilateral adducted unable to abduct eye.
Causes: Stroke, Raised ICP, MS
What are the features and causes of a Vth, VIIth, VIIIth CN palsy?
Features: unilateral sided facial droop with preserved forehead markings, unilateral sided facial weakness, reduced facial pain sensation, reduced hearing
Causes: Cerebellopontine angle tumour e.g. Acoustic neuroma
Stroke, haemorrhage.
What are the causes of a mixed UMN and LMN lesion?
Fred’s Tabby Cat Seeks Mice
Friedrich's Atacia Tabes Dorsalis Cervical spondylosis Subacute degeneration of the cord MND
What are the features and causes of a LMN VIIth CN palsy?
Features: Unilateral facial drop with reduced forehead markings, unilateral facial weakness, normal sensation and hearing.
Causes:
- Bells Palsy
- Parotid neoplasm
- Infection VZV/Lyme
- Guilliam Barre.
What are some causes of an acute single episode headache?
- With Meningism e.g. meningitis, encephalitis, SAH
- Head injury
- Venous sinus thrombosis
- sinusitis
- tropical illness
- low pressure headache
- acute glaucoma
What are the causes of recurrent acute headaches?
- Migraine
- Cluster headaches
- Trigeminal neuralgia
- Recurrent (Mollarets) Meningtitis
What are some causes of chronic headache?
- tension headache
- raised ICP
- Medication-overuse headache