54 results
R Wave Progression - normal chest lead ECG shows an rS-type complex in lead V1 with
normal chest lead ECG ... with a steady increase ... left chest and a decrease ... #Diagnosis #Cardiology ... #MedStudent #EKG
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... contractility - Decreases ... Electrocardiogram #EKG ... #Cardiology #Digitalis ... #ECG
T-Wave ECG changes in Hyperkalemia vs Hyperacute MI
 - Hyperkalemia: Increased height, without increase area
 -
T-Wave ECG changes ... height, without increase ... fazalabul #TWaves #ECG ... #MI #clinical #cardiology ... #ekg #electrocardiogram
Hypokalaemia:

The gradual fall in serum potassium level is reflected electrocardiographically by the following features:

1. Gradual decrease
Gradual decrease ... V4 #Clinical #Cardiology ... #ECG #EKG #UWaves
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Obtain a 12-lead ECG ... consultation with cardiology ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
tachycardia, hypoxemia, decreased ... Consider thrombolysis e.g ... over 2 h (>65 kg ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
respiration and decreases ... • As the heart decreases ... wave amplitude decrease ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg
Wellens' Syndrome on ECG

A 66-year-old man with hypertension and hyperlipidemia presents after an episode of severe
Wellens' Syndrome on ECG ... while walking to work ... A 12-lead ECG is ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... counting of HR by EKG ... concentration, the rate of increase ... #Hyperkalemia #EKG ... #cardiology #diagnosis