Gram -ve endocarditis
The Endocarditis page has been revised, including the correction that gram -ve organisms are responsible in only approximately 10% of cases, not 85% as previously stated. Thanks to Pete for picking this up.
Corrections
Capture beat – correction
The Ventricular arrhythmias page has been updated with a correction of the explanation of a capture beat. The statement ‘occurs when an SVT conducts in a normal fashion’ has been replaced with ‘occurs when a sinus or atrial impulse conducts through the AV node in a normal fashion between wide QRS complexes because the ventricle … Read more
Cushing’s ulcer not Curling’s
The Assessment of intracranial pressure page has been updated and the ulcer caused by increased ICP now correctly renamed as a Cushing’s ulcer, instead of a Curling’s ulcer as previously described. Thanks Simon for picking this up.
Correction – lateral medullary syndrome
There has been a correction to the segment on Lateral medullary syndrome on the Stroke syndromes page. The ipsilateral lower cranial nerve involvement has been corrected – it is lower motor neurone, not upper motor neurone as previously stated.
SAH algorithm
The Investigation of suspected SAH page has been updated with a corrected algorithm for the diagnosis of SAH.
Lateral medullary infarction – correction
The Stroke syndromes page has been updated with a significant correction. The features of lateral medullary infarction have been corrected and it has been correctly named as Wallenberg syndrome. Parts of it were confused with the Inferior medial pontine syndrome, which has now also been correctly described.
Therapeutic Mg levels – correction
The Hypertension in pregnancy and Hypomagnesaemia pages have been updated with a correction of the units for the therapeutic range of Mg. This is 1.5-3.5mmol/L or 4-8mg/dL – not 4-8mmol/L as previously stated. Thanks again to Farzad for picking this up.
Nimodipine dose error
The Management of aneurysmal subarachnoid haemorrhage page has been updated to correct a dose error for nimodipine. The correct initial dose is 15µg/kg/hour not 15g/kg/hour. Thanks to Cherie for spotting this.
MgSO4 dose in eclampsia – correction
The MgSO4 dose for eclampsia on the Hypomagnesaemia page has been corrected. The dose is 4g over 10min (eclampsia) instead of 40mmol as previously stated. Thanks to Peter for spotting this.
ABC transfusion score – correction
The Treatment of hypovolaemia page has been updated with a correction to Table 10: ABC Score massive transfusion predictors following trauma. The heart rate parameter has been corrected from HR > 90 bpm to HR >120 bpm
Management of life threatening asthma
The Management of life threatening asthma page has had some minor updates, including the target plateau pressure in ventilation being < 30mmHg, not < 20mmHg as previously stated (thanks to Farzad for picking this up)
Neuromuscular blockade sensitivity – correction
The sensitivity of various muscle groups to neuromuscular blockade has been corrected on the Neuromuscular blockade page. The corrected text now indicates that : Sensitivity to neuromuscular blockade in increasing (not decreasing as previously written) order of sensitivity is large limb muscles diaphragm smaller trunk muscles laryngeal and eye muscles Thanks to Adam for picking this … Read more
Pancreatic duct anatomy – correction
The Pancreatitis page has been corrected to indicate that the pancreatic duct enters the second part of the duodenum, not the third part as previously stated. Thanks to Lev for picking this up.
Precordial thump and adrenaline in cardiac arrest – corrections
The Advanced cardiac life support and Ventricular arrhythmias pages have been updated with a clarification that precordial thumb is indicated in pulseless monitored VT (rather than all witnessed arrests), and that adrenaline is given after each 2 cycles of CPR (instead of a variety of conflicting recommendations in different parts of the text). Thanks to … Read more
Lignocaine maximal dose – correction
The maximum safe dose of plain lignocaine (lidocaine) has been corrected from 5mg/kg to 3mg/kg on the Local anaesthesia page. Amide anaesthetics have also now been correctly described as weak bases instead of weak acids. Thanks to Joe for picking these errors up.
ALP in primary hyperparathyroidism – correction
The Hypercalcaemia page has been corrected so it is clear that ALP is usually increased in primary hyperparathyroidism instead of normal as previously stated. Thanks to Steven for picking this up.
Endotracheal extubation – correction
The Endotracheal extubation page has been corrected so adequate ventilation is now defined by an SpO2 > 90% and HR < 140 bpm instead of an SpO2 < 90 and HR > 140bpm as previously stated. Thanks to Farzad for picking this up.
Eye anatomy – correction
The Ocular examination page has been corrected so the anterior and posterior chambers of the eye are properly described. Thanks to Francis for pointing this out.
EMG in polymyositis – correction
The Polymyalgia rheumatica page has been updated and the statement that EMG is usually normal in polymyalgia rheumatica has been corrected. EMG is usually abnormal in up to 10% of patients with the disease.
Gynaecomastia – correction
The definition of gynaecomastia on the Examination of the abdomen and GIT page has been corrected. Previously it stated that > 2 mm of breast tissue was abnormal in a male, whereas the correct value is > 2 cm.