45 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... High rate in <1 ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
case of a 50-year-old ... palpitations Her heart rate ... #ECG #Electrocardiogram ... #Cardiology #EKG ... #Clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart rate ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical ... #comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
complexes at different rates ... - Brugada's sign ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... Treatment depends ... maintained fever CAUSES ... sign) (→ 3-8) ... #Differential #Causes
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... frequently benign causes ... orthostatic vital sign ... should be guided by clinical ... The treatment strategy
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
mmol/L - Consider cause ... guided by clinical ... scenario, ECG and ... rate of rise ... Prevention - Consider cause
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart rate ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical ... #comparison
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Receptor, Heart Rate ... Resistance, Main Uses ... 0.375-0.75 mcg/kg ... Internet Book of Critical ... Effect #Management #Comparison
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... Cannon A per minute=rate ... to diagnose the case ... that’s called “clinical ... ’s called Frog sign