Laz Paper 2 Flashcards
What is the difference in presentation between right and left sided colorectal cancer?
Right sided
- More insideous onset
- Anaemia symptoms
- Abdominal pain
Left sided
- PR bleeding
- Change in bowel habit
- Tenesmus
- Earlier onset
What is tenesmus?
The feeling of incomplete defecation due to a space occupying lesion in the rectum
What are the most common sites of colorectal cancers?
- Rectum
- Sigmoid
*
How does gastric cancer present?
- Bloating
- Premature fullness
- Melaena
- Dyspepsia
- Vomiting
What are the investigations for colorectal cancer?
- DRE
- Serum CEA
- Colonoscopy and biopsy
What does the anterior cerebral artery supply?
The medial aspects of the frontal and parietal lobes
- Change in behaviour
- Weakness leg>arm
- Some hemisensory loss
What does the middle cerebral artery supply?
Lateral aspects of the frontal, temporal and parietal lobes
- Weakness face>arm>leg
- Hemisensory loss
- Visual field defects
What does the posterior cerebral artery supply?
The occipital and temporal lobes
- Contralateral homonymous hemianopia
- Sensory deficit
What is subclavian steal syndrome?
A stenosis of the subclavian artery leading to reduced blood flow down the arm from the aorta, this leads to retrograde flow from the vertebral arteries when the arm is in use leading to syncope
What are the primary renal conditions that can lead to nephrotic syndrome?
- Minimal change disease (most common cause of nephrotic syndrome in children)
- Membranous nephropathy
SLE is a secondary cause
Which organism commonly causes Guillan Barre Syndrome?
Campylobacter jejuni
What is used to treat Pneumocystis Jerovecii?
Co-trimoxazole
What is the management for C.diff?
- Oral vancomycin
- Oral metronidazole
When would flucloxacillin be used?
For gram positive bacteria, commonly staph aureus
Usually used in skin conditions such as cellulitis
What are the side effects of opioids?
- Constipation
- Respiratory depression
- Nausea
- Drowsiness