Passmed general Flashcards
What are the signs of cardiac tamponade?
Raised JVP, pulsus paradoxus, diminished heart sounds
What is the immediate management for anaphylaxis?
IM adrenaline (500mg in adults)
What are the guidelines for treatment of an acute anaphylactic response?
IM adrenaline, once then 5 mins later if no change. Then seek expert help for consideration of an IV adrenaline infusuon.
What is the common cause of subacute combined degeneration of the cord?
B12 deficiency
What other levels must be checked before giving folate?
B12 (these should be replaced before giving folate)
What are the symptoms of subacute combined degeneration of the spinal cord?
Distal tingling and sensory loss, brisk knee reflexes, absent ankle reflexes, gait abnormalities and positive romberg’s sign
What is the first line treatment for hypertension in an over 55 year old or person with African-Caribbean descent?
Calcium Channel Blocker
What is the first line treatment for hypertension in an under 55 year old or type 2 diabetic person?
ACE inhibitor
What is the second line treatment for hypertension?
If on CCB: add ARB, ACE-I or Thiazide diuretic (ARB in preference to ACE-I in African-Caribbean’s)
If on ACE-I: add CCB or Thiazide diuretic
What is the typical presentation for lyme disease?
Erythema migrans - Bulls eye rash that can develop 1-4 weeks after bite
Systemic upset
What is the treatment for lyme disease?
Doxycycline if early disease (can give if bulls-eye rash is seen, no need for testing)
Ceftriaxone if disseminated disease
How do you interpret blood gases?
ROME
Respiratory = Opposite
low pH + high PaCO2 i.e. acidosis, or
high pH + low PaCO2 i.e. alkalosis
Metabolic = Equal
low pH + low bicarbonate i.e. acidosis, or
high pH + high bicarbonate i.e. alkalosis
Which diabetes drug increases insulin sensitivity?
Pioglitazone
What is the typical presentation of an acoustic neuroma/vestibular schwannoma?
Vertigo, hearing loss, tinnitus and absent corneal reflex
Which antibody levels are raised in an autoimmune reaction?
IgG
Which vitamin should be administered with isoniazid to reduce the risk of peripheral neuropathy?
Vitamin B6 - Pyridoxine
Which conditions typically reduce FVC?
Restrictive lung diseases - scarring in the lungs - pulmonary fibrosis, asbestosis, neuromuscular disorders
Which conditions typically reduce FEV-1?
Obstructive lung diseases - COPD, asthma, bronchiectasis
What is lynch syndrome?
Hereditary non-polyposis colorectal cancer
Which cancer is most associated with hereditary non-polyposis colorectal cancer?
Endometrial cancer
What is the management of someone with fever who is undergoing chemotherapy?
Worried about neutropenic sepsis - immediately prescribe IV piperacillin/tazobactam
In addison’s disease when should the hydrocortisone dose be given?
Majority in the morning, remainder in the evening
What are the most common causes of meningitis?
0-3months - group B strep
3months-60years - neisseria meningititis
>60years - strep pneumoniae
Immunosuppressed - listeria monocytogenes
Which general investigations should be done in patients with metastatic disease of unknown origin?
FBC, U&E, LFT, calcium, urinalysis, CXR, CT chest, abdo, pelvis, AFP, hCG