20 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... Digoxin is a cardiac ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... flutter, ectopic ... Control rate (e.g ... flutter or MAT ... Control rate (e.g
Pericardial Tamponade
Beck's Triad 
1. Hypotension 
2. Jugular venous distension 
3. Muffled heart sounds 
Patient will be
Tamponade Beck's Triad ... paradoxus - ECG ... collapse of RV - Treatment ... #Pericardial #Cardiac ... #Diagnosis #Cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Consider invasive arterial ... Ischemia #Ischaemia #Anesthesiology
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Mesenteric Ischemia - Differential ... inflammation (e.g ... pancreatitis) - Arterial ... Thrombus / Embolism: Cardiac ... hypovolemia), Meds/Treatments
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... flutter, or atrial ... fibrillation/flutter ... Valvular disease (e.g
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... arrhythmia syndromes (e.g ... 300 = NSVT EKG ... more intensive treatment ... #cardiology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Treatment depends ... Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Causes #Anesthesiology
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
iatrogenic causes, e.g ... indicated, start CPR ... pericardiocentesis kit (eg ... thoracotomy is a better treatment ... #Tamponade #Anesthesiology