13 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... atrial activation from ... #AWaves #diagnosis ... #cardiology #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... to diagnose the ... excludes other differentials ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... indistinguishable from ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework ... STE: "Pardee's sign ... #diagnosis #cardiology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... antihypertensive agents from ... Coarctation of aorta ... #causes #Differential
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
most common causes ... more than one cause ... (e.g. cirrhosis ... dullness, puddle sign ... Jcortesizaguirr #Ascites #workup
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... longer pause 2º ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... opposite direction from ... Diagnosis: • PAC ... #differential # ... cardiology