Miscellaneous Points Flashcards
Which leads are supplied to LAD artery of heart?
V1, V2, V3, V4
Which leads are supplied to Left circumflex artery of heart?
I, aVL, V5, V6
Which leads are supplied to right coronary artery of heart?
II, III, aVF
Leads corresponding to anterior part of heart?
V3, V4
Leads corresponding to septal part of heart?
V1, V2
Leads corresponding to inferior part of heart?
II, III, aVF
Leads corresponding to lateral part of heart?
I, aVL, V5, V6
Leads corresponding to posterior part of heart?
Pathological R waves in V1, V2, V3
Reciprocal horizontal ST depression in V1-V3
Features of MEN1?
Pituitary adenoma
Parathyroid hyperplasia
Pancreatic islet cell insulinomas
Features of MEN2A?
Hyperparathyroidism
Medullary thyroid cancer
Phaeochromocytoma
Features of MEN2B?
Marfanoid body Mucosal neuromas Medullary thyroid cancers Phaeochromocytoma Intestinal ganglioneuromas
Features of BRCA 1&2?
Breast, ovary and prostate cancers
Features of VHL?
Angiomatosis Haemangioblastoma Phaeochromocytoma Papillary cystadenoma of epidydimis RCC
Features of FAP?
Polyposis Thyroid cancer Congenital hypertrophy of retinal pigment epithelium (CHRPE) Supernumery teeth Epidermoid cysts Osteoma
Features of HNPCC?
Colorectal, endometrial, ovary and gastric cancers
Features of Peutz Jeghers’ syndrome?
Small intestine haemartomatous polyps, hyperpigmented mucocutaneous sites
Epilepsy medications - tonic clonic seizures?
Sodium Valproate//Lamotrigine
Carbamazepine
Epilepsy medications - absence seizures?
Sodium Valproate/Ethosuximide
Lamotrigine
Epilepsy medications - tonic/atonic seizures?
Sodium Valproate
Lamotrigine
Epilepsy medications - myotonic seizures?
Sodium Valproate/Topiramate/Levetiracetam
Epilepsy medications - partial seizures?
Carbamazepine/Lamotrigine
Sodium Valproate/Levetiracetam
Canadian C-spine rule - high risk factor?
> 65
Dangerous mechanism
Paraesthesia in extremities
Canadian C-spine rule - low risk factor?
Simple rear end collision Sitting in ED Ambulatory at any time Delayed neck pain No midline C-spine tenderness
Canadian C-spine rule - other factor?
Able to rotate neck actively left and right 45 degrees
Criteria for imaging in Canadian C Spine rule? What imaging?
1 or more high risk factor
No low risk factors
Not able to rotate neck 45 degrees left and right
CT adult
MRI child
Criteria for CT head <1 hour in children?
PICANSS F RF
PICANSS F Risk F
Post-traumatic seizure
Initial GCS <14 (<15 in <1 year olds)
Child <1 - bruise/swelling/laceration >5cm on head
After 2 hours GCS <15
Non-accidental injury suspected
Suspected open/depressed skull fracture or tense fontanelle
Sign of basal skull fracture (haemotypanum, panda eyes, CSF from nose, Battle’s sign)
Focal neurological deficit
More than 1 RF of:
- LoC>5 mins, abnormal drowsiness, 3 or more vomiting, dangerous mechanism (RTA, fall >3m, high-speed projectile), amnesia>5 minutes
Criteria for CT head <1 hour in adults?
FSG GPS Vom
FSG GPS Vom
Focal neurological deficit
Suspected open/depressed skull fracture
GCS <13 initial
GCS <15 at 2 hours
Post-traumatic seizure
Sign of basal skull fracture (haemotypanum, panda eyes, CSF from nose, Battle’s sign)
> 1 episode of vomiting
Criteria for CT head <8 hours in adults?
If loss of consciousness or
amnesia since the head injury &:
Age >65
History of bleeding or clotting disorder
Dangerous mechanism (paedestrian/motor cyclist hit by vehicle, occupant ejected from car, fall >1m or 5 stairs)
> 30 minutes retrograde amnesia of events immediately before head injury
Stroke - indications for CT within 1 hour?
Indications for thrombolysis (<4.5 hour) or thrombectomy
GCS <13
Anticoagulation or bleeding tendency
Progressive or fluctuating symptoms
Papilloedema, neck stiffness, fever, severe headache at onset
Contraindications for LP?
Signs of raised ICP, relative bradycardia and hypertension, papilloedema
GCS<9 or drop of 3 or more
Focal neurological signs
Abnormal posturing or doll eyes
Unequal, dilated or poorly responsive pupils
Shock
Extensive purpura
After convulsions until stable
Abnormal coagulation/Platelets <100/Anticoagulation therapy
Superficial LP site infection
Respiratory insufficiency
Blood results - Primary hyperparathyroidism?
ALP - high
PTH - high
Ca - high
PO4 - low
Blood results - Secondary hyperparathyroidism?
ALP - high
PTH - high
Ca - low/normal
PO4 - high/normal
Blood results - Tertiary hyperparathyroidism?
ALP - high
PTH - high
Ca - high
PO4 - high
Blood results - Hypoparathyroidism?
ALP - no change
PTH - low
Ca - low
PO4 - high
Blood results - Paget’s Disease of Bone?
ALP - high
PTH - normal
Ca - normal
PO4 - normal
Blood results - Osteomalacia?
ALP - high
PTH - normal/high
Ca - low
PO4 - normal/high
Blood results - Osteoporosis?
ALP - normal
PTH - normal
Ca - normal
PO4 - normal
Blood results - normal/euthyroid?
TSH - normal
T3 & T4 - normal
Blood results - hyperthyroidism?
TSH - low
T3 & T4 - high
Blood results - Primary hypothyroidism??
TSH - high
T3 & T4 - low
Blood results - Secondary hypothyroidism?
TSH - low
T3 & T4 - low
Blood results - TSH producing adenoma?
TSH - high
T3 & T4 - high
Blood results - Levothyroxine overtreatment?
TSH - low
T3 & T4 - high (can be normal)
Heart murmurs - aortic stenosis?
Ejection systolic murmur, radiates to carotids
Heart murmurs - aortic regurgitation?
Early diastolic murmur, forward in expiration
Heart murmurs - mitral stenosis?
Mid-diastolic murmur, loudest at apex, opening snap
Heart murmurs - mitral regurgitation?
Pan systolic murmur, radiates to axilla
Heart murmurs - mitral valve prolapse?
Mid systolic click
Heart murmurs - VSD?
Pan-systolic murmur at LLSE
Heart murmurs - PDA?
Continuous murmur
What is S3 heart sound?
KEN-TUCK-Y
Ventricular filling rapidly, normal in children/athletes/high output states
Pathology - CHF, chronic MR/TR, Dilated cardiomyopathy
What is S4 heart sound?
TEN-ES- SEE
Atrial contraction in non-compliant ventricle - abnormal
Hypertension, AS, HOCM