23 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... is gradual • After ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
other causes of cardio-pulmonary ... Adrenergic Drive: • Sinus ... common finding) • Atrial ... also a result of atrial ... Embolism #AcutePE #diagnosis
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
Almost any type of cardiac ... commonly seen are sinus ... Non-paroxysmal atrial ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... is gradual • After ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
main coronary artery ... Subepicardial atrial ... : Differential diagnosis ... findings: Sinus ... #cardiology
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Coronary Artery ... Angiography or Cardiac ... prosthetic valve, PFO, ASD ... , h/o of cardiac ... #Embolism #diagnosis
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
pressure (PCWP) ● Cardiac ... SVR = 80 x [mean artery ... PCWP]/CO) ● Cardiac ... ventricular stroke work ... Interpretation #Diagnosis
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... including: • Coronary artery ... 300 = NSVT EKG ... capture of the atria ... tachycardia • Sinus
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... Nonarrhythmic Cardiac ... Standing up straight after ... #Palpitations #Cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Intraoperative Cardiac ... Consider invasive arterial ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis ... #Management #Workup