27 results
The cardiac cycle and the ECG, all together explained

#Pathophysiology #Cardiology #CardiacCycle #Stages #Systole #Diastole #HeardSounds #Pressures
The cardiac cycle ... and the ECG, all ... explained #Pathophysiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Guidelines for Crises ... trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Intraoperative #Checklist
Case – 26M with no medical history presents with chest pain and palpitations. He states that
no medical history ... history of sudden cardiac ... of sudden cardiac ... Clinical #Cardiology #ECG ... #EKG #ARVD #Arrhythmogenic
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... consider: o Cardiac ... Sepsis → 3-14 o Cardiac ... (eg steroid dependency ... Intraoperative #Checklist
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Cardiac Tamponade ... , e.g. central line ... pericardiocentesis kit (eg ... • Call for cardiac ... Intraoperative #Checklist
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
stagnant hypoxia (e.g ... low cardiac output ... carrying capacity (e.g ... cannot use oxygen (e.g ... #pathophysiology
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
Cardiac Arrest - ... patient’s underlying medical ... • Check ECG rhythm ... CardiacArrest #Checklist ... Intraoperative #Checklist
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... Bradyarrhythmias, Some cases ... Tachyarrhythmias, Cardiac ... Can be used in all
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
• Unexpected cardiac ... arrest where other causes ... pack. ❸ Remove all ... alternate vasopressor (e.g ... Intraoperative #Checklist
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... lethargy, hematuria, cardiac ... unless worrisome EKG ... with tetany or cardiac