Mock Tests Missed Points Flashcards
What are the four conditions for tetralogy of Fallot
Overriding aorta
Right ventricular hypertrophy
Pulmonary stenosis
Ventricular septal defect
What does CHADS Vasc stand for
Congestive HF
HTN
Age ≥75 (x2)
Diabetes
Stroke (x2)
Vascular disease
Age 65-74
Sex Category female
What is a collapsing pulse associated with
Aortic regurgitation
What are the murmur sounds
Aortic stenosis is the correct answer as it produces an ejection systolic crescendo decrescendo murmur (and a slow rising, narrow pulse pressure), heard loudest on expiration.
Mitral regurgitation produces an apical pansystolic murmur.
Aortic regurgitation produces an early diastolic decrescendo murmur (and a collapsing pulse)
Mitral stenosis produces an apical mid diastolic rumble.
Pulmonary stenosis produces an ejection systolic murmur heard loudest on inspiration.
ECG change seen in right bundle branch block
MarroW
V1……V6
R wave (M)
Slurred S wave (W)
Reading for HTN
Stage 1= >140/90.
Stage 2= >160/100.
Severe HTN= >180/110
Ambulatory readings
135/85= Stage 1 HTN.
150/95 =Stage 2 HTN.
Signs of infective endocarditis
Janeway lesions
Osler nodes
Roth spots
Splinter haemorrhages
What is typical presentation of IBS
Generalised abdominal pain which gets better after passing wind and/or defecation, bloating and changes in bowel habits typically suggest a case of IBS
Typical Px presentation of Crohn’s
Pain on the right side of the abdomen along with bloody stools and other extra-intestinal features such as mouth ulcers, erythema nodosum and episcleritis although these aren’t always the case
Typical Px presentation of UC
UC only affects the colon so it you tend to get pain in the lower left quadrant of the abdomen instead of generalised abdominal pain. Also, there is blood and mucus in the stool too
Explain Mallory Weiss tears
Mallory Weiss tears occur when there is a tear in the mucosal lining at the oesophagogastric junction due to a sudden increase in intra-abdominal pressure.
Things such as recurrent retching, vomiting etc. can force stomach contents into the oesophagus, dilate it and tear it resulting in haematemesis
First line medication for GORD
PPIs
Omeprazole
Other meds later on inc; H2 antagonist Rantidine
Most common cause of peptic ulcers and its MoA
H. Pylori
Lives in gastric mucus, secretes urease which splits urea in stomach into CO2 + ammonia.
Ammonia + H+→ammonium.
Ammonium, proteases, phospholipases and vacuolating cytotoxin A damages gastric epithelium.
_Causes inflammatory response reducing mucosal defence→mucosal damage_
Also causes increased acid secretion
i. Gastrin release (from G cells)→more acid secretion
ii. Triggers release of histamine→more acid secretion
iii. Increases parietal cells mass→more acid secretion
iv. Decreases somatostatin (released from D cells)→more acid secretion
How can NSAIDS cause peptic ulcers
Recurrent NSAID use is a common cause of peptic ulcers
a. Mucus secretion stimulated by prostaglandins
b. COX-1 needed for prostaglandin synthesis
c. NSAIDs inhibit COX-1
d. No COX-1 = mucous isn’t secreted
e. Reduced mucosal defence→mucosal damage
Give 4 causes of peptic ulcers
H. Pylori
Reduced stomach acid
NSAIDs
Mucosal ischaemia
Does autoimmune gastritis cause peptic ulcers
No
How are h.pylori infections Tx
Clithromycin
Amoxicillin
+ PPI; omeprazole
Remember as CAP
Give 4 risk factors for GORD
GORD is caused by relaxation of the lower oesophageal sphincter causing gastric acid, pepsin, bile etc. to flow back into the oesophagus - so risk factors should affect lower oesophageal sphincter
Obesity
Hiatus hernia
Smoking
Pregnancy
not recurrent endoscopies
patient comes in with abdominal pain, bloating, constipation. You examine the abdomen and discover a hard mass in the left iliac fossa and carry out a digital rectal examination which shows an empty rectum. What is this
Large bowel obstruction
1st line investigation for large bowl obstruction
Abdominal X-ray
What is achalasia
Condition in which the lower oesophageal sphincter fails to open during swallowing causing a back-up of food into the oesophagus
- not a possible complication of GORD
Which type of ulcer ause pain several hours after eating, pain gets better when eating
Duodenal ulcers
Give 4 features of UC
Continuous
Affects from rectum to ileocaecal joint
Affects males and female equally
Smoking is protective
Weaker genetic link than Crohn’s
PANCA +ve
40-year-old man presents with smelly, floaty stools and diarrhoea. He has lost 7lb and has a rash on his elbows. He has a family history of Type 1 diabetes. What is the most likely diagnosis?
Coeliacs disease
You see steatorrhoea + presence of a rash; some coeliac patients present with skin changes in the extensor surface known as Dermatitis Herpetiformis, this is an immunological response to gluten which manifests in the skin + fHx of autoimmune conditions increase likelihood