interactive cases in general internal medicine 5 Flashcards
24 yr old man • Breathlessness • Facial swelling • After having a Chinese takeaway
What is the first step in management?
A. IM adrenaline
B. IV adrenaline
C. IM hydrocortisone
D. IV hydrocortisone
E. IV fluids
IM adrenaline
• 45 yr old man • Cough • Breathlessness • Recent travel • O/E: coarse crepitations & bronchial breathing • Hyponatraemia • Deranged LFTs
What antibiotic would you prescribe in addition to amoxicillin?
A. Cefuroxime
B. Clarithromycin
C. Co-amoxiclav
D. Tazocin
E. Vancomycin
Clarithromycin
What atypical organisms that cause pneumonia?
Mycoplasma pneumoniae
Chlamydia pneumoniae
Legionella pneumophila
50 yr old man • Dyspepsia • Wt loss • Hb: 70 • MCV: 70
What test would you request?
A. Abdominal CT
B. Abdominal USS
C. Erect CXR
D. Colonoscopy
E. OGD (gastroscopy)
OGD
What investigations do you do in someone that presents with microcytic anaemia?
Haematinics
Coeliac screen* (TTG Ab) and diagnosis confirmed with duodenal atrophy
- Remember red flags
- Top & Tail
- Order depends on upper/lower GI symptoms
What would you see on a duodenal biopsy?
villous atrophy
70 year old man • Bloody diarrhoea • Stool micro & culture: -ve • Stool C. diff toxin: -ve
What is the most likely diagnosis?
A. Infective colitis
B. Ischaemic colitis
C. Ulcerative colitis
D. Appendicitis
E. Gastroenteritis
B. Ischaemic colitis
since he is old
40 yr old man • Palpitations • Started 4 hours ago • ECG: AF
How would you treat him?
A. Adenosine
B. Amiodarone
C. Digoxin
D. Metoprolol
E. DC cardioversion
amiodarone
Direction of flow in the veins below the umbilicus is towards the legs
What is the name of this clinical sign?
A. Trousseau’s sign
B. Virchow’s node
C. Caput medusae
D. Troisier’s sign
E. Grey Turner
caput medusea
What are complications of portal hypertension?
Encephalopathy
Ascites
Spontaneous bacterial peritonitis
Variceal bleed
20 year old boy • Recent diarrhoea • Malaise • Hb: 70 • Cr: 300
What do the arrows show?
A. Codocytes (target cell) B
. Eliptocytes
C. Lymphocytes
D. Schistocyte (red cell fragment)
E. Spherocytes
schistocytes
What are the 3 MAHA?
What do they present with?
DIC: low platelet and fibrinogen, high PT and APPT and D-Dimer
HUS: Haemolysis (low HB, high bilirubin), Uraemia, low platelets
TTP: HUS+ fever+ neurological manifestations
What are the presenting features of DIC?
DIC:
- low platelet and fibrinogen
- high PT and APPT
- high D-Dimer/ fibrin degradation product
What are the presenting features of HUS?
HUS:
- Haemolysis (low HB, high bilirubin)
- Uraemia
- low platelets
What are presenting feature of TTP (Thrombotic Thrombocytopenic Purpura)
HUS + fever + neurological manifestations
What are causes of haemolytic anaemia?
Hereditary
- Red cell membrane (hereditary spherocytosis)
- Enzyme deficiency (G6PD deficiency)
- Haemoglobinopathy (Sickle cell disease, Thalassaemias)
Acquired
- Autoimmune
- Drugs
- Infection
- MAHA (DIC, TTB, HUS)
What does the arrow show?
A. Adhesions
B. Haustra
C. Large bowel
D. Stomach
E. Valvulae conniventes
E. Valvulae conniventes
What part of the bowel i this?
small bowel
What part of the bowel is this?
large bowel
60 yr old man • Confused • Cough • No postural hypotension • Na+ : 120 • K + : 4.0 • TFTs: normal • SST: normal • Urine Na+ : 40 • Urine osmolality: 400
What test would you request next?
A. Brain MRI
B. CT Abdomen
C. CXR
D. Lung function tests
E. OGD
hyponatraemia
CXR- cough (lung cancer)
What is the algorythm you go through to identify the cause of hyponatraemia?
What are the individual causes?
What would be the investigations you want to do?
WHat are rare causes of hyponatraemia that are not due to high ADH?
Excess water intake
Sodium-free irrigation solutions (e.g. used in TURP)
What are causes of SIADH?
CNS pathology
Lung pathology
Drugs (SSRI, TCA, opiates, PPIs, carbamazepine)
Tumours
35 yr old man • Sweating • Weight loss
What is the name of this sign?
A. Beau’s lines
B. Nail pitting
C. Koilonychia
D. Onycholysis
E. Leukonychia
onycholysis
What are causes of onycholysis?
Trauma
Thyrotoxicosis
Fungal infection
Psoriasis
20 year old woman • Abdominal pain • Vomiting • Type 1 diabetes • CBG: 20 • Venous pH: 7.20
What is the most appropriate next step?
A. Capillary ketone
B. FBC
C. HbA1c
D. LFTs
E. CRP
A. Capillary ketone
What are the complications of Diabetes?
-
Microvascular
- Retinopathy
- Nephropathy
- Neuropathy (foot ulcers)
-
Macrovascular
- MI/Stroke/PVD
-
Metabolic
- DKA/HHS/Hypoglycaemia
26 year old man • Chest pain • Smokes 5/day • Auscultation: ‘scratching sound’
What diagnosis is supported by his ECG?
A. Anteriolateral MI
B. Inferior MI
C. NSTEMI
D. Pericarditis
E. Posterior MI
D. Pericarditis
60 yr old woman • Collapse • BP: 120/70 mmHg • No postural drop • HS: S1+S2+ ESM
What does her ECG suggest?
A. Left atrial hypertrophy
B. Left ventricular hypertrophy
C. Right atrial hypertrophy
D. Right ventricular hypertrophy
E. NAD
B. Left ventricular hypertrophy
aortic stenosis- left ventricle needs to work harder
40 year old man • Loin pain • CRP: normal • Urinalysis: blood ++
What investigation would you request?
A. Abdominal X-ray
B. Abdominal USS
C. CT KUB
D. CT with contrast
E. MR Angiogram
C. CT KUB
What does this show?
CT KUB
Pelvi-ureteric junction obstruction
Calculus within the dilated renal pelvis
50 year old man • Hypercalcaemia • Low PTH • Backache • Normal ALP
What is the most likely diagnosis?
A. Bone metastases
B. Multiple myeloma
C. Osteoporosis
D. Primary hyperparathyroidism
E. Secondary hyperparathyroidism
B. Multiple myeloma
Where is ALP produced and in which pathologies is it elevated?
Sources: liver & bone (osteoblasts)
High in obstructive liver disease & bone disease (malignancy, fracture, Paget’s disease)
What is the ALP level in myeloma?
normal
becuase Plasma cells suppress osteoblasts
What are the clinical features of multiple myeloma’s?
CRAB
- Calcium
- Renal impairment
- Anaemia
- Bone
23 yr old woman • Breast lump • 1cm • Smooth mobile
What is the most likely diagnosis?
A. Basal cell carcinoma
B. Ductal carcinoma
C. Fat necrosis
D. Fibroadenoma
E. Galactocele
D. Fibroadenoma
60-year-old man • Cough • Haemoptysis
What does his chest X-ray show?
A. Cavitating lesion
B. Interstitial shadowing
C. Pleural effusion
D. Reticulonodular shadowing
E. Bilateral hilar lymphadenopathy
A. Cavitating lesion
What are causes for this?
CAVITATING LESION
- Infection
- TB
- Staph
- Klebsiella (e.g. alcoholics)
- Inflammation (RA)
- Infarction (PE)
- Malignancy
35 yr old woman • Ankle oedema • Recent Echocardiogram: NAD • U&Es: normal • ALT, AST & ALP: normal • Albumin: 15
What test would you order next?
A. Coronary angiogram
B. Renal USS
C. Troponin
D. Urinalysis
E. Repeat LFTs
D. Urinalysis
What is the triad of nephrotic syndrome?
What is the pathophysiology?
Proteinura> 3g/day • Hypoalbuminaemia • Oedema
increased permeability of GBM to protein
30 year old man • Recurrent GI & nose bleeds • Facial examination shows:
What is the diagnosis?
A. Acromegaly
B. Cirrhosis
C. Hereditary telangiecstasia
D. Peutz-Jegher syndrome
E. Systemic sclerosis
C. Hereditary telangiecstasia
What are features of Hereditary Haemorrhagic Telangiecstasia?
What is the inheritance pattern?
Autosomal dominant
Abnormal blood vessels in
- Skin
- Mucous membranes
- lungs
- Liver
- brain
Na+ : 120
K + : 5
Short Synacthen test
0 min cortisol: 100
30 min cortisol: 200
select the single most likely diagnosis from the list.
A. Adrenal insufficiency
B. Cushing’s syndrome
C. Graves’ disease
D. Myxoedema (hypothyroidism)
E. Premature ovarian failure
F. Primary hyperaldosteronism
G. Prolactinoma
H. Multinodular goitre
I. Thyroiditis
adrenal insufficiency
PRL: 1000 (high)
IGF-1: 100 (high)
OGTT: failure of GH suppression
select the single most likely diagnosis from the list
A. Acromegaly
B. Adrenal insufficiency
C. Cushing’s syndrome
D. Graves’ disease
E. Myxoedema (hypothyroidism)
F. Premature ovarian failure
G. Primary hyperaldosteronism
H. Prolactinoma
I. Multinodular goitre
J. Thyroiditis
acromegaly
Oestradiol: 50
FSH: 40 (high)
LH: 35 (high)
PRL: 200
select the single most likely diagnosis from the list
A. Acromegaly
B. Adrenal insufficiency
C. Cushing’s syndrome
D. Graves’ disease
E. Myxoedema (hypothyroidism)
F. Premature ovarian insufficiency
G. Primary hyperaldosteronism
H. Prolactinoma
I. Multinodular goitre
J. Thyroiditis
premature ovarian insufficiency
Free T4: 5
TSH: 60
PRL: 700
select the single most likely diagnosis from the list
A. Acromegaly
B. Adrenal insufficiency
C. Cushing’s syndrome
D. Graves’ disease
E. Myxoedema (hypothyroidism)
F. Premature ovarian failure
G. Primary hyperaldosteronism
H. Prolactinoma
I. Multinodular goitre
J. Thyroiditis
hypothyroidsim
Free T4: 12
TSH: 1.0
LH: 1
PRL: 300
Cortisol: 500
select the single most likely diagnosis from the list.
A. Acromegaly
B. Adrenal insufficiency
C. Cushing’s syndrome
D. Graves’ disease
E. Myxoedema (hypothyroidism)
F. Premature ovarian failure
G. Primary hyperaldosteronism
H. Prolactinoma
I. Multinodular goitre
J. Thyroiditis
multinodular goitre
normal endocrine
PRL: 10,000 (high)
Testosterone: 6 (low)
LH <1 (low)
FSH <1 (low)
select the single most likely diagnosis from the list
A. Acromegaly
B. Adrenal insufficiency
C. Cushing’s syndrome
D. Graves’ disease
E. Myxoedema (hypothyroidism)
F. Premature ovarian failure
G. Primary hyperaldosteronism
H. Prolactinoma
I. Multinodular goitre
J. Thyroiditis
prolactinoma