Cheat Sheet Flashcards
What are the crescendo decrescendo murmurs/ ejection systolic?
Left sided
- Aortic stenosis
- HOCM
Right sided
- Pulmonary stenosis
What are the holosystolic murmurs?
Left sided
- Mitral regurgitation
- Ventricular septal defects
Right sided
- Tricuspid regurgitation
What are the decrescendo murmurs?
Left sided
- Aortic regurgitation
Right sided
- Pulmonary regurgitation
What are the decrescendo crescendo murmurs?
Left sided
- Mitral stenosis
Right sided
- Tricuspid stenosis
What is the manoeuvre to increase aortic stenosis?
Ask the patient to hold their breath and auscultate the carotids using the diaphragm
What is the manoeuvre to increase aortic regurgitation?
Ask the patient to sit forward and fully exhale and auscultate over the right sternal boarder 2nd ICS
What is the manoeuvre to increase mitral regurgitation?
Ask the patient to lean on their left side and fully exhale, auscultate at the apex using the diaphragm and at the axilla for radiation
What is the manoeuvre to increase mitral stenosis?
Ask the patient to lean on their left side and full exhale and auscultate over the apex with the bell
Which drugs can cause pre-renal AKI?
- Vasoconstrictors
- Antihypertensives
- NSAIDs
- Cyclosporins (occasionally used in Crohn’s)
- Diuretics
- Laxatives
- Tacrolimus
What is tacrolimus?
An immunosuppresant drug commonly prescribed to patients after organ transplant
What is osteopetrosis?
Increased bone density which can make bones brittle and liable to break
How does hypothyroidism lead to arthritis?
Hypothyroidism increases TSH levels and TSH increases deposition of proteins in the joints
What would blood results for osteopetrosis show?
- Normal/ low serum Ca2+
- Normal serum PO43-
- Normal ALP
- Normal PTH
Dense and brittle bones
What is Paget’s disease of the bone?
Pathological remodelling of the bones leading to abnormal bone formation
What would bloods for Paget’s disease of the bone show?
- Normal Ca2+
- Normal PO43-
- Increased ALP
- Normal PTH
What is osteitis fibrosa cystica?
It results due to hyperparathyroidism and is abnormal breakdown of bone with bone tissue replaced with fibrous tissue
What are the blood results for osteomalacia/ rickets?
- Low Ca2+
- Low PO43-
- High ALP
- High PTH
What is the mechanism of tertiary hyperparathyroidism?
Chronic secondary hyperparathyroidism that leads to hyperplasia of the PTH glands with very high levels of PTH and normal-high calcium
How is GCS calculated?
Motor
6- movement on command
5- localises to pain
4- withdraws from pain
3- abnormal flexion
2- abnormal extension
1- no movement
Verbal
5- fully orientated
4- confused
3- inappropriate words/ sentences
2- incomprehensible sounds
1- no speech
Eyes
4- opens eyes spontaneously
3- opens eyes on command
2- opens eyes to pain
1- does not open eyes
What GCS would indicate minor brain injury?
15-13
What GCS would indicate moderate brain injury?
13-8
What GCS would indicate severe brain injury?
8-3
What GCS would require airway support?
8
What is AFP a tumour marker for?
- Testicular teratomas
- Hepatocellular carcinoma
What is beta-hCG a tumour marker for?
- Testicular cancers
- Choriocarcinoma
What is Ca 15-3 a tumour marker for?
Breast cancer
(As well as BRCA-1 chromosome 17, BRCA-2 chromosome 13)
What is Ca 19-9 a tumour marker for?
Pancreatic cancer
What is calcitonin a tumour marker for?
Medullary thyroid cancer, due to the follicular cells in the medulla producing calcitonin
What is CEA a tumour marker for?
Colorectal cancer
What is monoclonal Ig a tumour marker for?
Multiple myeloma
What is neurone-specific enolase a tumour marker for?
Small cell lung cancer
What is placental ALP a tumour marker for?
- Ovarian carcinomas
- Testicular carcinomas
What is PSA a tumour marker for?
Prostate carcinoma
What is S-100 a tumour marker for?
Malignant melanoma
What is thyroglobulin a tumour marker for?
Thyroid cancer
What is a choriocarcinoma?
Carcinoma of the cells left of the placenta post delivery
What is neurogenic shock?
Loss of control of the blood pressure and heart rate due to damage to the spinal cord/ nerves
What is the managment of meningitis?
IV benzylpenicillin followed by Ceftriaxone
What is the Glasgow score for acute pancreatitis?
PaO2 < 7.9mmol/L
Age > 55
Neutrophils >15x10^9
Calcium < 2mmol/L
Renal function (urea >16mmol/L)
Enzymes (LDH >600, AST >200)
Albumin <32 mmol/L
Sugar >10 mmol/L
Score of >3 indicates acute severe pancreatitis
What is the extrinsic vs intrinsic clotting pathway?
What is the pathophysiology of haemophilia A vs B?
X-linked recessive
What is the inheritance pattern of haemophilia A and B?
X-linked recessive
What are the absolute contra-indications for fibrinolysis in ischaemic stroke patients?
- Bleeding disorder
- Age >75
- Any previous intracranial haemorrhage
- Any head trauma
- Recent surgery
What is seen on blood smear for ALL?
Blast cells (as well as on bone marrow aspirate)
Which is the only leukaemia that doesn’t tend to present with hepatomegaly?
Chronic myeloid leukaemia although it does present with splenomegaly
What is seen on blood smear of acute myeloid leukaemia?
Auer rods
What is seen on blood smear of chronic lymphocytic leukaemia?
Smear cells
What is CML associated with?
Philadelphia chromosome
Translocation between 9 and 22 involving the BCR-ABL1 gene
What is a common side effect of co-amoxiclav?
Cholestatic hepatitis
What is a common side effect of erythromycin?
Diarrhoea
What is a common side effect of gentamicin?
Nephrotoxicity
What is a common side effect of nitrofurantoin?
Pulmonary fibrosis