Pathophysiology • Cardiac rhythms arise from , with heart rate of <60 bpm Presentation • Usually asymptomatic ECG • P wave in lead II: inverted / • Regular rhythm• Narrow QRS complex • Ventricular rate 45 – 60 bpm References Junctional bradycardia is a potential risk factor of stroke Junctional rhythms ECG review
Author: myhouseman
Cardiac Arrest Algorithm Related Posts ACLS BLS References Guidelines for CPR and Emergency Cardiovascular Care (ECC) 2020
Introduction Dose 1.5 MU diluted in 100 mL normal saline, given over 1 hour Notes: Make sure no bubble in the solution Contraindications Notes • Streptokinase should not be given again between 3 days – 12 months after initial treatment with streptokinase • Streptokinase is antigenic; it’s is a bacterial product which promotes production of […]
General Hb and Haematocrit The ratio of haemoglobin to haematocrit in healthy people is typically three to one. Example:So, if haematorcrit is 36, estimated Hb is 12// If Hb is 12, estimated haematocrit is 36 Reference: https://www.omnicalculator.com/health/hct-hgb#:~:text=The%20ratio%20of%20hematocrit%20to,by%20dividing%20it%20by%203. Paediatrics White cell Count• Newborn: 9 – 30 ×109/L• <2 years: 6.2 – 17×109/L• > 2 years: 5 […]
Severity of Dehydration Other signs of dehydration • Sunken fontanelle• Dry mucous membrane Severity of Shock
History Taking Fitting Pre-ictal• ? Ictal• What are the ?• of seizure? • What did the care taker do to stop the seizure? Seizure aborted spontaneously?• How many ? Post-ictal• How was patient’s condition ? Other history • Any documented temperature?• ? Was was the last meal?• Reduced urine output?• Active? • Any ? • […]
Clinical Features Symptom • Calf pain & swelling, usually unilateral Physical examination • Calf tenderness, oedema, or redness Investigations Blood • D-dimer Venous Ultrasonography • 2-point compression testing Related Posts Pulmonary embolism
Normal Value Causes of Increased D-Dimer • Thromboembolism• Sepsis (organ dysfunction → raised D-dimer)etc. Sensitivity / Specificity Sensitivity / specificity in thromboembolism:• Sensitivity: >95%• Specificity: 61 – 64%• Negative predictive values: 99% Thus,• Positive D-Dimer alone cannot diagnose VTE • Negative D-Dimer can exclude VTE Reference The Sensitivity and Specificity of a Red Blood Cell […]
Causes of Raised Lactate Level Some common causes: • Sepsis• MDI / Nebulizer • Serum Lactate in Sepsis • Prognostication / Indicator of severity — In sepsis, serum lactate level correlates with Related Posts Q&A Reference
Definition / Introduction 📌 Sepsis = life-threatening organ dysfunction caused by dysregulated host response to infection 📌 Septic shock= sepsis that has circulatory, cellular and metabolic abnormalities that are associated with a greater risk of mortality than sepsis alone 📌 Hypoperfusion= ≥1 of the following after administration of ≥30 mL/kg IV fluid OR serum lactate […]