ΜEDICAL_ЅƬƱDENƬЅ 〞🧬💉

2023-05-01 01:04:24 How to read a 12-lead electrocardiogram:


lead II
determine heart rate and rhythm
Cardiac axis
Normal if QRS complexes +ve in leads I and II
............

P-wave shape
①Tall P waves
denote right atrial enlargement (P pulmonale)
②notched P waves
denote left atrial enlargement (P mitrale)
................
PR interval
①Prolongation
denotes impaired atrioventricular nodal conduction
②A short PR interval
occurs in Wolff–Parkinson–White syndrome
............
QRS duration
If > 0.12 sec
①ventricular conduction is abnormal
(left or right bundle branch block)
.......................
QRS amplitude
occur in
①slim young patients
②patients with left ventricular hypertrophy
...........
Q waves
①signify previous myocardial infarction
.............
ST segment
①ST elevation
signify
myocardial infarction,
pericarditis
left ventricular aneurysm

②ST depression
signify ischaemia or
infarction
........................
T waves
T-wave inversion
①myocardial ischaemia or infarction
②electrolyte disturbances
Hypokalemia
Hypocalcaemia
Hypomagnesaemia
..............................
QT interval
①electrolyte disturbances
hypoK+
hypoMg2+
hypoCa2+,

②Antiarrhythmic class (Ia, Ic,III)
Disopyramide
Flecainide
Amiodarone sotalol
③Tricyclic antidepressants
Amitriptyline
④Antibiotic. macrolides.
Erythromycin
⑤ Antimalarial
Quinidine
⑥Ototoxic drug
Aminoglycoside
...............

#Cardiovascular

https://t.me/mymednot باز کردن / نظر دهید

2023-04-30 21:25:21 what is mean by body mass index?
الأجابة في التعليقات سيتم الأجابة عن السؤال غدا إن شاء الله
#Q_of_day باز کردن / نظر دهید

2023-04-21 20:55:35 يارب
في قلب كل واحد منا شي لا يعلمه الا انت شي نخفيه عن العالمين شي نتمنى لو يحصل
يارب المستحيلات قل لما في قلب كل واحد منا كن فيكون
عيدكم مبارك انتم ومن تحبون باز کردن / نظر دهید

2023-04-21 01:09:33 - عسى العيد أن يكون عيدُ عودة و لقاء .. و عيدُ فطر .. وعيدُ سرور ..

طابت أعيادكم بوجود أحبابكم و سعدت أرواحكم بقرب الرحيم الرزاق. باز کردن / نظر دهید

2023-04-20 21:15:34 A 55-year-old man comes to the physician because of a 3-week history of intermittent burning epigastric pain. His pain improves with antacid use and eating but returns approximately 2 hours following meals. He has a history of chronic osteoarthritis and takes… باز کردن / نظر دهید

2023-04-19 21:52:25 A 55-year-old man comes to the physician because of a 3-week history of intermittent burning epigastric pain. His pain improves with antacid use and eating but returns approximately 2 hours following meals. He has a history of chronic osteoarthritis and takes ibuprofen daily. Upper endoscopy shows a deep ulcer located on the posterior wall of the duodenal bulb.*
This ulcer is most likely to erode into artery
*What is this artery?
#Clinical_discussion
الجواب في التعليقات
سيتم الأجابة عن هذه الحالة غدا إن شاء الله باز کردن / نظر دهید

2023-04-19 17:09:47 الدوده المسطحة

. باز کردن / نظر دهید

2023-04-19 16:34:05 62-year-old woman with a pancreatic insulinoma is being prepared for a laparoscopic enucleation of the tumor. After induction of general anesthesia, preparation of a sterile surgical field, and port placement, the surgeon needs to enter the space posterior… باز کردن / نظر دهید

2023-04-17 17:05:29 62-year-old woman with a pancreatic insulinoma is being prepared for a laparoscopic enucleation of the tumor. After induction of general anesthesia, preparation of a sterile surgical field, and port placement, the surgeon needs to enter the space posterior to the stomach to access the pancreatic tumor. Which ligament must be cut in order to access this space?

سيتم الأجابة عن هذه الحالة غدا إن شاء الله باز کردن / نظر دهید

2023-04-15 23:13:22 ماتشاهدونه هو (Trouseau sign )
أو علامة تروسو

أكثر شيوعاً في حالات نقص كالسيوم الدم والقلاء الاستقلابي المرافق لحالات فرط التهوية
ويحدث نقص الكالسيوم لأسباب منها :
. نقص فيتامين د
. قصور جارات الدرق
.الأدوية مثل : الزوليدرونيك ، سيسبلاتين باز کردن / نظر دهید