Cardiology thread:
In heart pts, flu can cause heart attacks/worsen heart failure/predispose to pneumonia. #COVID19 may be no different. Heart pts are more likely to have severe Covid infection than others, esp elderly/post-transplant/cardiomyopathy pts https://www.nature.com/articles/s41569-020-0360-5
1/
#COVID19 can PRESENT as cardiac issue: STEMI with near/normal coronaries, Cardiogenic shock needing circulatory support, heart failure/sev LV dysf (?myocarditis), Atrial fibrillation, decompensation of prior CHF, arrhythmias due to HCQS/azithro etc https://www.medpagetoday.com/infectiousdisease/covid19/85520

2/
Principles in cardiac emergency:

1. Transmission control & HCW protection is top concern
2. Assess for both Covid & cardiac problems & treat both concomitantly
3. Interventions to be deferred unless life-threatening

https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.120.047011

4/
During Covid pandemic no routine hospital visits for cardiac/diabetic/HTN. Video consults (WhatsApp/FaceTime even if no dedicated software) encouraged. All routine interventions incl CTOs/structural heart to be deferred unless life-saving

Tips:

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Recent controversy on ACEI/ARB use in hypertensives during Covid pandemic has backers for both harms & benefits. But, evidence for harm are so tenuous that most experts/societies advice continuation of these drugs unless new data emerges


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Pt presenting with breathlessness, NSTEMI & STEMI to be managed as if Covid+ unless otherwise proven by test. HCWs to wear appropriate protective gear (including PPE for urgent interventions). Nebulisation/NIV to be avoided. If sats <90% intubate/ventilate rather than wait

7/ https://twitter.com/kambismashayek1/status/1245974819545456640
NSTEMI: manage conservatively unless hemodynamic instability or severe ongoing ischemia. Risk assessment & intervention to be electively done later. In pts with primarily non-cardiac presentations, avoid measuring Troponin: Type 2 NSTEMI should stay out of the lab at any cost

8/
Routine follow-up echoes to be avoided. If echo is imperative, echocardiographer shud don PPE & preferably perform study from left side of the pt to minimise contact.

Non-essential TEE should be totally avoided during Covid pandemic: https://www.asecho.org/wp-content/uploads/2020/04/COPE_COVID_Supplement_FINAL.pdf

Other imaging:

9/ https://twitter.com/geraldmaurer/status/1246481275352989696
Cardiac arrest in suspected Covid infection:

11/11 https://twitter.com/circaha/status/1248250318158090244
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