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It is platform to learn topics and concepts from Anaesthesia and Critical Care , in an inspiring way.
CONTEXT SENSITIVE HALF TIME [CSHT]
2018-10-02 15:37
Context sensitive half-time is deined as the time for the plasma concentration to fall to half of the value at the time of stopping an infusionThe half time will usually alter in the setting… Read More
2018-10-02 15:34
While it continues to be used infrequently in the UK it has been withdrawn in North America and AustraliaThe most notable and potentially serious side effect of etomidate administration… Read More
IDEAL POSITION OF TIP OF RIGHT IJV CATHETER
2018-09-17 04:32
Different methods have been suggested in the literatureCatheter tips positioned approximately 3 cm below the right tracheobronchial angle will lie in close proximity to the atriocaval juncti… Read More
IMPEDENCE AND RESISTANCE
2018-09-17 04:26
Impedance and resistance are terms used to describe the opposition to electrical current flow.Resistance is used to describe opposition to flow in DC circuits, whereas impedance is used for… Read More
LASERS IN MEDICINE
2018-09-17 04:24
LASER is an acronym for Light Amplification by Stimulated Emission of Radiation.A laser comprises a laser tube constructed from an active lasing medium that can be a gas, solid or a liquid… Read More
2018-09-17 04:22
The Wheatstone bridge is an electrical circuit that uses an arrangement of four resistors to measure an unknown electrical resistance.The typical Wheatstone bridge contains a power source, a… Read More
ECG EMG EEG ; THE BIOLOGICAL SIGNALS
2018-09-17 04:21
The movement of ions across cell membranes during the depolarisation and repolarisation of myocytes and neurones generates electric potentials.Silver metal electrodes covered with a layer of… Read More
2018-09-17 04:17
Absolute humidity is the mass of water vapour present in a given volume of gas at defined temperature and pressure (expressed as g of H2O/m3 of gas).Relative humidity is the mass of water va… Read More
2018-09-17 04:13
Aerosols are small particles of liquids or solids suspended in a carrying gasMedical aerosols can be produced by a nebulizerThe therapeutic efficacy of the aerosol is dependent on the liquid… Read More
ANTIPSEUDOMONAL AGENTS
2018-09-17 04:08
A 70 year-old female is intubated 5 days after hospital admission for hypoxemic respiratory failure after a witnessed aspiration event. Prior to admission, the patient lived in a nursing hom… Read More
HUMIDIFIERS
2018-08-29 14:46
Heat and moisture exchange filter (HMEF) HMEF is inexpensive, disposable, passive and efficient enough to provide adequate humidification of dry gases for up to 24 hours.It creates a sealed… Read More
2018-07-11 07:48
The strength of an electric current varies directly with the electromotive force (voltage) and inversely with the resistance. So I = V/R or V = IR where V is voltage, I is current and R is… Read More
2018-07-11 07:44
🔻A #thermistor is a temperature-sensitive resistor whose resistance changes with temperature.🔻Most temperature-sensitive resistors are constructed from a semiconduc… Read More
2018-07-11 07:43
TURBULENT FLOW AND ITS CLINICAL APPLICATIONS ⚱️The flow pattern of a river running over rapids is very different to the steadily flowing river (laminar flow). Here, the wat… Read More
2018-07-11 07:40
# When watching a steadily flowing river, the flow of water may be seen to be fastest in the middle, while near the banks of the river the water flows more slowly. # This behaviour is a… Read More
PACEMAKER, AICDs AND THE ANESTHESIOLOGIST
2018-06-29 07:29
The need for cardiac pacing results from conduction disorders of the heart, which may or may not be associated with IHD.Permanent Pacemakers (PPM) are classified using a five letter code( Se… Read More
DIATHERMY AND THE ANESTHESIOLOGIST
2018-06-28 07:30
WHY WE SHOULD KNOW? 1.Anesthesiologist may be blamed if burns occurs due to malposition of the plate 2. It can interfere with monitors e.g. ECG and pulseoximeters 3. It can disrupt pacemaker… Read More
VOCAL CORD PALSIES; A Complete Description
2018-06-27 02:41
Under normal circumstances, the vocal cords meet in the midline during phonation. On inspiration, they move away from each other. They return toward the midline on expiration, leaving a smal… Read More
NITROUS OXIDE ISOTHERM
2018-06-25 09:41
An isotherm is a line of constant temperatureCompressed gases in a cylinder can either stay as a gas, or change state to form a liquid due to the higher pressure (both carbon dioxide and nit… Read More
CRITICAL TEMPERATURE AND PRESSURE
2018-06-25 09:39
Critical temperature: The temperature above which a gas cannot be liquefied regardless of the amount of pressure applied. (K/°C). At this point the specific latent heat is zero, as… Read More
2018-06-20 12:03
🔸The power of a study is defined as “the ability of a study to detect an effect or association if one really exists in a wider population.”🔸In clinical research… Read More
DAMPING
2018-06-19 04:16
Damping describes the resistance of a system to oscillation resulting from a change in the input. Damping is the result of frictional forces working in that system. So following a change in… Read More
2018-06-03 14:11
Drowning is death while submerged in water, and near-drowning is suffocation while submerged with survival (at least temporary).If water does not enter the airway, asphyxia is the main... An… Read More
2018-05-24 05:45
Morhine is metabolised via hepatic system and excreted by renal systemIt can get accumulated in hepatic/renal dysfunction and obesityMorphine has 2 metabolites:Morphine 6 glucoronide- Active… Read More
CLOSING CAPACITY
2018-04-25 06:47
http://feeds.feedburner.com/TheLayMedicalMan An entertaining Anaesthesia/Pharmacology blog Read More
2018-04-18 11:21
The resting position of the lungs and chest wall occurs at FRC.If isolated, the lungs, being elastic, would collapse to a volume An entertaining Anaesthesia/Pharmacology blog Read More
Protamine
2017-11-23 09:36
http://feeds.feedburner.com/TheLayMedicalMan An entertaining Anaesthesia/Pharmacology blog Read More
2017-06-27 08:41
https://thelaymedicalman.wordpress.com/2017/06/27/burns-the-anesthesiologist/http://feeds.feedburner.com/TheLayMedicalMan An entertaining Anaesthesia/Pharmacology blog Read More
2017-05-23 04:00
DELIRIUM TREMENS 1. Is an alcohol withdrawal syndrome which is a neurological emergency and outcomes depend on successful early treatment; with treatment, mortality is 1-5% and without treat… Read More
2017-05-20 05:53
1. CO2 combines with water to form carbonic acid. CO2 absorbents are hydroxide salts which neutralise the carbonic acid.2. Colour conversion of a pH indicator dye (e.g., ethyl violet from wh… Read More
2017-05-19 05:14
This is an effect described with regards to the anesthetic gas ENTONOXENTONOX is a 50:50 mixture of gaseous oxygen and nitrous oxideIf the cylinder is stored below -6 degree (the pseudocriti… Read More
2017-05-18 08:22
NPPO is associated with upper airway obstruction in a spontaneously breathing patient. It occurs in 0.05–0.1% of all general anaesthetic cases and laryngospasm has been reported a… Read More
2017-05-03 06:36
🔸In the pregnant patient, the respiratory function deviates from the normal🔸There is increased CO2 production by the mother and the foetus; but mostly you see a respiratory a… Read More
2017-04-04 06:03
😤Scavenging refers to the method of extracting waste gases from the breathing system and venting them to an area where they will not be directly inhaled by staff or other... An enter… Read More
2017-01-18 16:38
🚩#TURPsyndrome is diagnosed based on clinical signs, symptoms and biochemical findings 🚩The manifestations are due to hypervolemia, hyponatremia and due to the direct to… Read More
2017-01-12 14:13
💆The EEG bispectrum is a high-order statistical computation derived from the analog EEG. 💆The BIS is a combination of three weighted parameters: (i) the burst suppression ra… Read More
2017-01-10 10:27
🚩Is a new centrally acting analgesic that relies on a dual mechanism of action. These are mu opioid receptor agonism and norepinephrine (noradrenaline) reuptake inhibition 🚩… Read More
2016-12-20 09:38
🚤 Reduction of plethysmographic pulse wave amplitude (PPWA) has been proven to be a reliable method for detecting the IV injection of an exogenous vasopressor ( for e.g. The adrenali… Read More
2016-12-16 14:20
  ⭕️The #CircleofWillis is a vital arterial structure on the ventral surface of the brain that joins the two internal carotid arteries (ICAs) (two-thirds of the supply) wi… Read More
2016-12-14 07:21
A paravertebral block is essentially a unilateral block of the spinal nerve, including the dorsal and ventral rami, as well as the sympathetic chain ganglion. These blocks can be performed a… Read More
2016-12-07 06:13
🌧Low flow anesthesia allows for economy of volatile anesthetics, makes possible heating and humidification of gases and reduces environmental pollution  🌧Sodalime contai… Read More
2016-12-01 04:27
👀 Corneal abrasion is the most common ocular complication after general anesthesia 👀 Ischemic Optic neuropathy (ION) and Central Retinal Artery Occlusion (CRAO) are the commo… Read More
2016-11-30 10:01
Sugammadex acts by forming a complex with steroidal Neuro Muscular Blocking Agents such as rocuronium and vecuronium and reduces their concentrations in the neuromuscular junction.  Bec… Read More
2016-11-24 07:26
➰ Internist - Internus = inside (Latin) ➰Gynecologist- Gyne= woman , Logos = Science (Greek) ➰Obstetrician- Obstetrix = midwife (Latin), ician = expert ➰ Pediatri… Read More
2016-11-23 03:51
⏫ There is increased(⏫) levels of homocystine and methionine in blood and urine due to the deficiency of Cystathionine B synthetase which catalyses the conversion of homocystine… Read More
2016-11-17 04:08
# Most often, postop exacerbation, if it occurs is due to surgical complications like fever and infections # Even minor increases in body temperatures are not tolerated well # With the use o… Read More
2016-11-02 07:42
 ⚗️Two molecules of acetyl choline joined together by the acetyl group forms Succinylcholine  ⚗️ It can be presented as chloride, bromide or iodide salt … Read More
2016-10-12 06:38
🚶🏻Tyrosine derived from thyroglobulin is combined with iodine to produce T3 & T4 (Thyroxin) 🚶🏻T3 is 5 times more active than T4, though T4 is produced in… Read More
2016-09-29 06:11
🔵 SSI is an index which measures the surgical stress response in patients under anesthesia 🔵 It assess the balance between the intensity of surgical stimulation and the level… Read More
2016-09-28 11:43
🌋Carcinoid tumours are neuroendocrine tumours originating from enterochromaffin cells [GIT(~90%), gonads and bronchus mainly] 🌋 Some patients develop Carcinoid Syndrome, wher… Read More
2016-09-26 10:11
😤 It's the maximal rate of airflow during forced expiration  😤 Dependent on patient-effort 😤 Repeated 3 times and the best of the 3 is taken 😤 Trends in… Read More
2016-09-26 05:55
We ingest dietary iron in the form of either as free Fe or as haem bound Fe The efficiency of absorption varies & is between 5-25% only☹️ It also depends on total body &nbsp&hell…Read More

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