important basics Flashcards
normal body temperature range
36.5–37.5 °C
what are haemorrhoids
Haemorrhoids are disrupted and dilated anal cushions. The anus is lined mainly by discontinuous masses of spongy vascular tissue—the anal cushions, which contribute to anal closure. Viewed from the lithotomy position, the 3 anal cushions are at 3, 7, and 11 o’clock (where the 3 major arteries that feed the vascular plexuses enter the anal canal). They are attached by smooth muscle and elastic tissue, but are prone to displacement and disruption, either singly or together. The effects of gravity (our erect posture), increased anal tone (?stress), and the effects of straining at stool may make them become both bulky and loose, and so to protrude to form piles (Latin pila, meaning a ball). They are vulnerable to trauma (eg from hard stools) and bleed readily from the capillaries of the underlying lamina propria, hence their other name, haemorrhoids (≈running blood in Greek). Because loss is from capillaries, it is bright red. NB: piles are not varicose veins.
what are the sepsis 6?
6 basic interventions that can be done rapidly to reduce the risk of death in a patient believed to have sepsis
The Sepsis Six are:
1 - Administer high flow oxygen.
2 - Take blood cultures
3 - Give broad spectrum antibiotics
4 - Give intravenous fluid challenges
5 - Measure serum lactate and haemoglobin
6 - Measure accurate hourly urine output
uk gov guidelines on calorie consumption
men 2600
women 2000
what is orlistat
lowers fat absorption
used in obesity
SE oily incontinence
normal BMI range
18.5-25
weight in kg/height in m^2
what is angular stomatitis
fissuring of the mouth’s corners caused by iron or B2 deficiency or candidiasis
white fur on an erythematous tounge
oral candidiasis. white patches and erythema. patches are hard to remove and bleed if scraped.
oral pigmentation
addison’s disease
drugs
Peutz-Jeghers syndrome, also known as hereditary intestinal polyposis syndrome
what is glossitis
a smooth, red sore tounge. iron, folate or B12 deficiency.
dysphagia - 5 key questions to ask
1- solids AND liquids from the start? yes = motility. no and progressive = stricture, both benign and malignant.
2 - difficult to make the swallowing movement? bulbar palsy
3- odynophagia? cancer, ulcer, candida, spasm.
4 - intermittent or constant and progressive - intermittent = oesophageal spasm. constant = malignant stricture
5 - neck bulges or gurgles on drinking? phyrangeal pouch.
overview of causes of dysphagia
1 - mechanical block a - malignant stricture b - benign stricture c - extrinsic pressure (AAA, lung ca, LA enlargement) d - phyrangeal pouch
2 - motility disorders
a - achalasia, spasm
b - neurological - myasthenia gravis, PD,
3 - other
a - oesophagitis, globus
how to classify antiemetics
1 - H1R antag
- cyclizine
2 - D2 antag
- metclopramide
- domperidone
- haloperidol
3- 5ht3 antag
- ondansentron
4 - other
- dexamethasone (unknown MOA)
what is cushing’s
Cushing’s syndrome describes the signs and symptoms associated with prolonged exposure to inappropriately high levels of the hormone cortisol. This can be caused by taking glucocorticoid drugs, or diseases that result in excess cortisol, adrenocorticotropic hormone (ACTH), or CRH levels.[1]
Cushing’s disease refers to a pituitary-dependent cause of Cushing’s syndrome: a tumor (adenoma) in the pituitary gland produces large amounts of ACTH, causing the adrenal glands to produce elevated levels of cortisol. It is the most common non-iatrogenic cause of Cushing’s syndrome, responsible for 70% of cases excluding glucocorticoid related cases.[2][3] An easy way to distinguish Cushing’s syndrome (primary hypercortisolism, specifically) from Cushing’s disease is that the measured ACTH levels are lower in the former. The decrease in ACTH is due to increased negative feedback of cortisol on the hypothalamus and anterior pituitary.
H pylori eradication
triple therapy eg amoxicillin clarithromycin and PPI
-prazoles